Across International

<h2>What Are Laboratory Heaters?</h2>
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Laboratory heaters are temperature-control instruments that raise the temperature of a fluid (deionized water, buffer, glycol, or silicone oil) and maintain it at a stable setpoint for connected equipment or for samples immersed in the bath. Open bath heaters expose the fluid surface and allow direct sample contact; closed-system heaters circulate heated fluid through external tubing to jacketed vessels, columns, or instruments without evaporation loss. Immersion circulators clip onto an existing open bath and add a heating element and pump without requiring a dedicated bath unit. Applications span reagent and media warming, enzyme activity assays, blood banking thaw protocols, hybridization reactions, and food stability testing. Choose an open bath heater for direct sample immersion at up to 100 degrees C; choose a closed-system heater for external circulation, jacketed vessels, or temperatures above 100 degrees C.
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<h2 dir="ltr">What You Will Find:</h2>
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<ul>
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Julabo Heating Circulators use stainless steel bath tanks and powerful pumps to provide uniform warmth for high-temperature research.
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Refrigerated-Heated Circulators offer versatile temperature ranges, allowing you to switch between deep cooling and intense heating in one system.
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Ai Compact Heated Recirculators deliver reliable heating up to 100&deg;C in a space-saving design perfect for small-scale benchtop projects.
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Induction Heaters with Timers provide rapid, localized heating for specialized material science using advanced frequency technology.
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HUBER Heating Units and Fluids combine user-friendly digital interfaces with high-quality transfer media for smooth, long-term thermal management.
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PolyScience Heated Circulators feature robust safety controls and digital displays for precise management of high-temperature laboratory runs.
</li>
</ul>
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<h2>How to Choose a Lab Heater</h2>
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Heating method: open bath vs. closed system vs. immersion
Open bath heaters (sometimes called circulating water baths) are the most common format for biological and enzymatic work up to 100 degrees C. They allow direct tube or flask immersion and are easy to clean. Closed-system heaters use a smaller reservoir, a stronger pump, and a powerful heating element to push heated fluid externally, preferred for jacketed vessels, columns, or high-temperature applications. Immersion circulators convert an existing open bath into a constant-temperature bath at a lower cost than a full benchtop circulator.
Temperature range
Most open bath heaters cover ambient temperatures to 99 degrees C, which covers cell culture, hybridization, and most enzymatic workflows. Closed-system heaters reach 150 degrees C to 200 degrees C for materials testing, food stability, and polymer research. Certain high-temperature models reach 250 degrees C and above, but require compatible heat-transfer fluids such as silicone oil rather than water.
Bath volume and heating capacity
Match bath volume to your sample load. Small-footprint open baths start at 2 L to 4 L; larger models run to 28 L or more for high-throughput workflows. Heating capacity in kW determines warm-up time: 1 kW to 2 kW is typical for standard benchtop units, while closed-system heaters with external circulation often specify 3 kW or higher for rapid heat-up.
Temperature uniformity and stability
Circulating heaters outperform non-circulating models on temperature uniformity across the bath. Digital PID controllers maintain stability to plus or minus 0.1 degrees C at most biological setpoints. Open baths without circulation are acceptable for batch incubations but not for assays requiring tight temporal control.
Control and connectivity
Entry-level units offer a simple digital setpoint; advanced models include programmable temperature profiles (ramp and soak), over-temperature alarms, lockout features, RS-232/RS-485 connectivity, and compliance with IEC 61010-1 and DIN 12876.
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<h2>Specifications Context</h2>
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Temperature stability specifications are measured at a steady-state setpoint with the lid closed; actual stability in use depends on room temperature fluctuations, lid openings, and sample volume. Rated working temperature in DIN 12876-1 Class I and Class II units must be at least 25 degrees C below the bath fluid flash point, relevant if ethanol or glycol solutions are used as bath fluid. For biological applications using water as the bath fluid, this constraint is not relevant. Units listing IEC 61010-2-010 certification meet safety requirements for laboratory heating equipment.&nbsp;
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Looking to turn up the precision in your lab? Explore our heaters and <a href="https://mbpinc.net/contact-us">reach out to the friendly MBP team</a> for a custom quote today.

Heaters

Mid-Frequency Compact Induction Heater w/ Timers 30-80KHz Specifications

Induction coil #1 (Orientation: Vertical, Turns: 3, ID: 76 mm, OD: 90 mm)

Induction coil #2 (Orientation: Vertical, Turns: 3, ID: 50 mm)

Induction coil adapter (to protect the coil connectors on the machine, good for users who change coils frequently)

IH15A Standard Package

Induction coil: 8mm diameter, 75x300mm IDxL, adjustable height. Coil is insulated to prevent sparks caused by work piece touching the tube.

IH25A Standard Package

15KW Mid-Frequency Compact Induction Heater (IH15A), Heating Stainless Steel tube for brazing

How Does Induction Brazing Work? Across International IH15A Mid-Frequency Induction Heaters

Mid-Frequency Compact Induction Heater w/ Timers 30-80KHz

Across International IH series mid-frequency induction heaters are designed to operate between 30 and 80 kHz. Mid-frequency heaters are excellent for small parts heating, cutting, diamond tool brazing, soldering copper plumbing fittings, auto parts heat-treating, annealing of stainless steel containers and more.\r\n\r\nMid-frequency induction heaters are the simplest in terms of design and implementation. With their low cost of ownership and maintenance, they are the most popular and reliable machines. The 15kW models are especially popular for their large power capacity and small footprint at an affordable price. This makes them standard equipment for many factories, labs and workshops where 230V AC is available.

Manufacturer

15KW Mid-Frequency Compact Induction Heater w/ Timers 30-80KHz

25KW Mid-Frequency Compact Induction Heater w/ Timers 30-80KHz

Induction Heater Specifications

IH15AB Standard Package

IH25AB Standard Package

Optional copper tubing induction coil made according to customer's requirements

Stainless steel hose clamp (8 small, 6 big)

IH35AB Standard Package

IH45AB Standard Package

Optional copper tubing induction coil made according to customers requirements

IH70AB Standard Package

Watch How We Heat-Treat 1-inch Diameter Carbon Steel with a 15KW Mid-Frequency Split Induction Heater

How This 35KW Induction Heater (IH35AB) Can Anneal Carbon Steel Plates in Just 15 Seconds?

Across International 70KW Mid-Frequency Induction Heater (IH70AB), Graphite Crucibles Heat Test

Mid-Frequency Split Induction Heater w/ Timers 30-80KHz

Across International IH series mid-frequency induction heaters are designed to operate between 30 and 80 kHz. Mid-frequency heaters are excellent for small parts heating, cutting, diamond tool brazing, soldering copper plumbing fittings, auto parts heat-treating, annealing of stainless steel containers and more.\r\n\r\n

15KW Mid-Frequency Split Induction Heater w/ Timers 30-80KHz

25KW Mid-Frequency Split Induction Heater w/ Timers 30-80KHz

35KW Mid-Frequency Split Induction Heater w/ Timers 30-80KHz

45KW Mid-Frequency Split Induction Heater w/ Timers 30-80KHz

70KW Mid-Frequency Split Induction Heater w/ Timers 30-80KHz

Vacuum Pump

<h2>What are laboratory vacuum pumps?</h2>
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Laboratory vacuum pumps are instruments that remove gas from a connected vessel or system to create sub-atmospheric pressure for applications including rotary evaporation of solvents, vacuum filtration through B&uuml;chner funnels and membranes, SpeedVac centrifugal concentration, gel drying, lyophilization rough vacuum, and degassing of solvents and solutions. MBP carries vacuum pumps from Vacuubrand, Welch, and ULVAC, which together cover the full range of laboratory vacuum needs from moderate filtration vacuum to deep vacuum for turbomolecular backing, available in oil-free diaphragm and oil-sealed rotary vane configurations.
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<h2>What you will find:</h2>
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<ul style="list-style-type: disc;">
<li dir="ltr"><a href="https://mbpinc.net/equipments/sample-processing/pumps/vaccum-pumps/edwards-pumps" style="color: #236fa1;">Edwards Pumps: </a>Reliability at its best &ndash; with strong vacuum pumps that are made to work for high-performing industrial and research purposes.</li>
<li dir="ltr"><a href="https://mbpinc.net/equipments/sample-processing/pumps/vaccum-pumps/agilent-pumps" style="color: #236fa1;">Agilent Pumps: </a>Get the most out of high vacuum pumps engineered for mass spectrometry, leak testing, and other advanced lab methods.</li>
<li dir="ltr"><a href="https://mbpinc.net/equipments/sample-processing/pumps/vaccum-pumps/vacuubrand-pumps">Vacuubrand Pumps: </a>Take advantage of German-engineered diaphragm pumps and vacuum control devices that are resistant to chemical agents and easy to maintain.</li>
<li dir="ltr"><a href="https://mbpinc.net/equipments/sample-processing/pumps/vaccum-pumps/welch-pumps">Welch Pumps: </a>Perfect for all your routine lab procedures using vacuum pumps made with quality materials for durability and versatility.</li>
<li dir="ltr"><a href="https://mbpinc.net/equipments/sample-processing/pumps/vaccum-pumps/ulvac-pumps" style="color: #236fa1;">ULVAC Pumps:</a> Use proven Japanese vacuum technology renowned for reliable and effective operations in manufacturing and thin-film production.</li>
<li dir="ltr"><a href="https://mbpinc.net/equipments/sample-processing/pumps/vaccum-pumps/vaccum-pump-accessories" style="color: #236fa1;">Vacuum Pump Accessories:</a> Boost your system&rsquo;s capabilities with oil mist filters, traps, and other accessories to optimize pump performance.</li>
</ul>
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<h2>How to choose between vacuum pump brands and types</h2>
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Choose Vacuubrand for premium PTFE diaphragm and chemistry vacuum systems
Vacuubrand diaphragm pumps are known for their high-quality PTFE-wetted construction, precise chemistry vacuum control systems with automatic set-point regulation, and a broad range of configurations from single-stage to two-stage models, making them the preferred brand for demanding rotary evaporation and concentration applications where reproducible vacuum control is important.
Choose Welch for reliable, cost-effective diaphragm and corrosion-resistant vacuum
Welch (by Gardner Denver) diaphragm pumps offer solid performance for routine filtration and moderate vacuum applications at a competitive price point, with the Dryfast ULTRA series as their flagship oil-free, chemically resistant product line covering most common laboratory vacuum needs.
Choose ULVAC for applications requiring deeper vacuum
ULVAC rotary vane oil-sealed pumps achieve deeper ultimate vacuum levels than oil-free diaphragm pumps, making them appropriate for applications like thin-film deposition, high-vacuum instruments, manifold vacuum systems, or backing turbomolecular pumps, where vacuum levels below 1 mbar are required.
Check the accessories catalog for vacuum tubing, traps, and gauges
Accessories include cold traps and chemical traps to protect pumps from solvent and corrosive vapors, vacuum tubing (rubber, silicone, or PTFE), and vacuum gauges and controllers for monitoring and regulating applied vacuum.
Match ultimate vacuum and pumping speed to your application requirements
Ultimate vacuum determines the lowest pressure achievable, while pumping speed determines how quickly the system reaches and maintains that vacuum. Both must be matched to system volume and gas load from evaporation, filtration, or outgassing.
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<h2>Specifications context</h2>
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The choice between oil-free diaphragm and oil-sealed rotary vane pumps is primarily determined by required ultimate vacuum and chemical exposure. Diaphragm pumps provide oil-free, low-maintenance vacuum suitable for most chemistry and biology applications above ~1&ndash;5 mbar, while rotary vane pumps achieve deeper vacuum but require oil changes and carry contamination risk.
As of 2026, oil-free diaphragm pumps from Vacuubrand and Welch cover most standard molecular biology and chemistry vacuum applications, while ULVAC rotary vane and dry pumps serve specialized deep-vacuum requirements.
Do you need any assistance figuring out your displacement or pressure requirements? Our experts at MBP are here to help. <a href="https://mbpinc.net/contact-us">Contact us for a customized quote.</a>

Vaccum Pump

Mist/Odour Elements for Edwards Vacuum Pump Exhaust Filter

The EMF-Elements by Edwards Vacuum are replacement oil mist and odour filter elements (A22304199 + A22304077) for Edwards EMF10 and EMF20 exhaust filter housings. Compatible with Edwards RV3/RV5/RV8 (EMF10) and RV12/E1M18/E2M18 (EMF20) rotary vane pumps—sold as a mist + odour element set only; filter housing not included.

Manufacture

Mist/Odour Elements for Edwards EMF10 Vacuum Pump Exhaust Filter

Mist/Odour Elements for Edwards EMF20 Vacuum Pump Exhaust Filter

Biosafety Cabinet

<h2>What Are Biosafety Cabinets?</h2>
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Biosafety cabinets (BSCs) are ventilated enclosures designed to protect laboratory personnel, the product being handled, and the surrounding environment from biological aerosols generated during work with infectious agents, cell cultures, or recombinant DNA. Class II biosafety cabinets&mdash;the type found in most research, clinical, and pharmaceutical labs&mdash;use a combination of inward airflow and HEPA-filtered laminar downflow to create a sterile work zone while containing any generated aerosols. All Class II BSCs sold in the United States must be independently tested and certified to NSF/ANSI 49-2024, the governing standard for design, construction, performance, and field certification of biosafety cabinetry.
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<h2 class="MsoNormal">What you will find:</h2>
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<li class="MsoNormal" style="font-family: arial, helvetica, sans-serif;">NSF-certified Class II Type A2 biosafety cabinets with multiple options for height. Helps in flexible setups, routine use, and high-performance lab applications</li>
<li class="MsoNormal" style="font-family: arial, helvetica, sans-serif;">HEPA-filtered biosafety cabinets and Class II Type B2 for advanced contamination control and work with high risk.</li>
</ul>
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<h2>How to Choose a Biosafety Cabinet</h2>
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Cabinet Class and Type
Class I cabinets protect personnel and environment but not the product. Class II cabinets protect all three&mdash;personnel, product, and environment&mdash;and account for approximately 80% of the global BSC market. Within Class II, Type A2 (70% recirculation, 30% exhaust) is the most versatile for BSL-1 through BSL-3 work; Type B2 (100% exhaust) is required when chemical hazards are present alongside biological materials.
Work Surface Width (3 ft / 4 ft / 6 ft)
A 4-foot (1.2 m) cabinet provides roughly 580 &times; 470 mm of usable work surface and suits most single-researcher applications. Multi-user core lab settings or workflows that place instruments inside the cabinet&mdash;incubators, centrifuges, aspiration manifolds&mdash;typically require a 6-foot (1.8 m) model.
Airflow Configuration and Building Exhaust
Type A2 and A1 cabinets can operate without building exhaust connection (thimble canopy connection is optional). Type B1 and B2 cabinets require a dedicated, hard-ducted exhaust system engineered for the specific cabinet's exhaust volume and static pressure. Confirm exhaust infrastructure before ordering a B-type cabinet.
Energy Efficiency and Noise
Modern cabinets with brushless DC ECM motors consume up to 68% less energy than legacy AC-motor models and produce lower noise levels, an important consideration for labs with extended daily use. LED lighting replaces fluorescent in most current-generation BSCs, further reducing heat load inside the cabinet.
Annual Certification Requirement
Budget for annual NSF/ANSI 49 field certification by an accredited certifier at time of purchase. Certification verifies inflow velocity (&ge;100 ft/min for Type A2), downflow velocity, HEPA filter integrity, UV lamp output, and alarm systems. Institutional biosafety committees and accreditation bodies treat a lapsed certification as equivalent to an uncertified cabinet.
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<h2>Specifications Context</h2>
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NSF/ANSI 49-2024 requires a minimum inflow velocity of 100 ft/min (0.51 m/s) for Type A2 cabinets at the front access opening, and downflow velocities specified per cabinet width. HEPA filter efficiency is &ge;99.97% at 0.3 &micro;m (MPPS); ULPA filters achieve 99.9995% at 0.12 &micro;m. Cabinet certifiers must test 13 physical parameters per NSF/ANSI 49 Section 6 and Normative Annex N-1, including microbiological challenge tests using aerosolized&nbsp;Bacillus subtilis&nbsp;var.&nbsp;niger spores. As of 2026, IoT-connected cabinets with real-time airflow monitoring and remote alarm notification are available from several manufacturers. HEPA filter life is typically 3&ndash;5 years under normal use conditions.
The search for a reliable biosafety cabinet is over. <a href="https://mbpinc.net/contact-us">Contact now with the expert team</a> at Molecular Biology Products Inc. (MBP) to find the right solution for your lab.

Foot switch for raising & lowering the front glass panel

Front glass panel motor adjusting tool, plastic

NSF Certified 3 Ft Class II Type A2 Biosafety Cabinet

BC-3F.110 is a 3-foot NSF/ANSI 49-certified Class II Type A2 biosafety cabinet with a 304 stainless steel chamber, dual HEPA filtration, 100–110 FPM inflow and 60–70 FPM downflow, germicidal UV, LED lighting, and foot switch — providing operator, product, and cross-contamination protection for BSL-1 and BSL-2 biological work. Suitable for cell culture, sterile technique, and non-volatile microbiology applications.

Manufectuer

NSF Certified 4 Ft Class II Type A2 Biosafety Cabinet

The BC-4F.110 by Across International is an NSF/ANSI 49-certified Class II Type A2 biosafety cabinet with a 4-foot work area, dual 99.999% HEPA filters, 100–110 FPM inflow velocity, a 30W germicidal UV lamp, and &gt;1,000-lux LED interior lighting — operating at 110V with no hard-duct exhaust connection required for standard biological work.

NSF Certified 6 Ft Class II Type A2 Biosafety Cabinet

BC-6F.110 by Across International is a 6-foot NSF/ANSI 49-certified Class II Type A2 biosafety cabinet with dual HEPA filters rated at 99.999% efficiency at 0.3&nbsp;&micro;m and a 304 stainless steel work chamber. The 110V unit recirculates 70% of air internally and exhausts 30% through the top vent, supporting BSL-1/2 work without hard-duct connection. Suitable for academic, pharmaceutical, and clinical research labs requiring certifiable containment.

Oil Mist Element for Edwards MF30 Vacuum Pump Exhaust Filter

The MF30e is an epoxy-impregnated glass fiber replacement element for the Edwards MF30 exhaust oil mist filter, compatible with Edwards E2M28 and E2M30 rotary vane vacuum pumps. It achieves 99.999% DOP filtration efficiency and cross-references OEM part number A223-04-057. Designed for routine pump maintenance and available from MBP with direct specialist support.

<h2>What Are Laboratory Recirculating Chillers?</h2>
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Laboratory recirculating chillers are compressor-based cooling instruments that circulate chilled fluid through a closed loop to remove heat from connected equipment or maintain below-ambient temperatures in a reactor, condenser, or instrument cooling line. Unlike tap-water cooling, recirculating chillers reuse coolant, eliminating water waste and ensuring stable setpoint temperatures independent of building water supply variations. Applications include rotary evaporator condenser cooling, jacketed reactor temperature control, protection of vacuum pump oil from vapor contamination, cooling of laser cavities, NMR superconducting magnets, and mass spectrometers. Modern air-cooled chillers achieve a coefficient of performance (COP) of approximately 3:1, meaning 1 kW of electrical input removes 3 kW of heat load. Choose a benchtop recirculating chiller for small-scale solvent recovery and instrument cooling; choose a floor-standing high-capacity model for jacketed reactors and multi-instrument cooling networks.
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<h2 dir="ltr">What You Will Find:</h2>
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<ul>
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Ai Recirculating Chillers offer a user-friendly and compact solution for everyday cooling, featuring powerful centrifugal pumps that keep your routine benchtop tasks moving smoothly.
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Julabo Dynamic Temperature Control units bring incredible speed to your workflow, allowing you to jump between extreme heat and cold with the precision your specialized research demands.
</li>
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HUBER Unistat and OLED Chillers make monitoring a breeze with crystal-clear displays and smart interfaces, putting total control of your chemical reactors right at your fingertips.
</li>
<li dir="ltr" aria-level="1">
PolyScience Immersion Coolers give you the flexibility to drop temperatures quickly in any bath or tank using high-tech probes and large, easy-to-read digital displays.
</li>
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Huber Air-Cooled Immersion Units handle the toughest ultra-low cooling jobs with ease, providing heavy-duty performance without the hassle of extra plumbing or water lines.
</li>
</ul>
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<h2>How to Choose a Lab Recirculating Chiller</h2>
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Cooling capacity at target temperature
Manufacturers publish cooling capacity in watts or kW at specific setpoint temperatures. A chiller with 500 W capacity at -20 degrees C may deliver only 200 W at -40 degrees C. Match cooling capacity to the actual heat load of the connected equipment at the required operating temperature, not the ambient-temperature rating.
Temperature range
Benchtop recirculating chillers reach -10 degrees C to -30 degrees C for most solvent recovery and condenser cooling applications. Deep-cooling models reach -40 degrees C to -80 degrees C for cryogenic trapping, lyophilizer condenser cooling, and temperature-sensitive biological workflows. Mechanical cold traps used with vacuum lines typically require -40 degrees C or colder.
Air-cooled vs. water-cooled
Air-cooled chillers dissipate heat via a fan into the room air and require no plumbing. They are the standard for bench-scale labs, but raise the room temperature and reduce efficiency when the ambient temperature exceeds 25 degrees C. Water-cooled chillers are more efficient at high heat loads and in warm environments, but require facility supply and drain connections.
Reservoir volume and flow rate
Reservoir volume (4 L to 60 L) determines thermal buffering capacity; larger volumes smooth out temperature fluctuations during high-load cycles. Flow rates of 10 L/min to 42 L/min are typical. External applications with long tubing runs or large jacketed vessels require higher flow rates to minimize temperature rise along the circuit.
Coolant compatibility
Most lab chillers use deionized water or water-ethylene glycol mixtures as coolant. For applications requiring temperatures below -20 degrees C, a 30-50% ethylene glycol mixture is standard to prevent freezing in the circuit. Confirm the chiller's internal materials (stainless steel, polypropylene, or PTFE wetted parts) are compatible with the intended coolant.
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<h2>Specifications Context</h2>
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Confirm coolant type compatibility, pump flow rate at target temperature (not ambient), and electrical requirements: 120V/60Hz for North America or 208-240V for high-capacity models. Modern environmentally responsible chillers use natural hydrocarbon (HC) refrigerants with low global warming potential (GWP). Closed-loop systems with optical fluid level sensors reduce maintenance downtime compared to mechanical float switches. Chillers maintaining temperature within plus or minus 0.1 degrees C or better are appropriate for precision analytical instrument cooling.
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Ready to beat the heat in your lab? Take a look through our chiller collection and <a href="https://mbpinc.net/contact-us">contact the MBP team</a> for a friendly quote today.