Benchmark Scientific

Infrared MicroSterilizer Accessories

<h2>What Are Microbead Sterilizers?</h2>
&nbsp;
Microbead sterilizers are compact benchtop instruments that heat 1.5&ndash;2 mm glass beads to temperatures between 150&deg;C and 300&deg;C inside an insulated chamber, enabling rapid sterilization of metal instrument tips such as forceps, scissors, dissecting needles, and scalpel handles through conductive heat transfer in approximately 15 seconds per cycle. They provide a flame-free alternative to alcohol-lamp sterilization for repeated instrument decontamination in animal surgery, plant tissue culture, microbiology, and pathology laboratories. Because they operate without gas, open flames, or chemicals, microbead sterilizers are suitable for use inside Class II biosafety cabinets and in anaerobic environments where flames are prohibited.
&nbsp;
<h2>What you will find:</h2>
&nbsp;
<ul>
<li><a href="https://mbpinc.net/equipments/autoclave-and-biosafety-cabinets/microbead-sterilizer">Microbead sterilizer series</a>: Benchtop systems designed for rapid and reliable instrument sterilization.</li>
<li><a href="https://mbpinc.net/equipments/autoclave-and-biosafety-cabinets/microbead-sterilizer/microbead-sterilizer-accessories">Microbead sterilizer accessories</a>: Replacement heating elements, refill glass beads, loop holders, and slide dryer attachments to support continuous laboratory operation.</li>
</ul>
&nbsp;
<h2>How to Choose a Microbead Sterilizer</h2>
&nbsp;
Chamber Depth and Aperture Diameter
Two chamber configurations are common: standard-depth units, approximately 8 cm deep, for short forceps tips and dissecting tools, and deep-format models, approximately 15 cm deep, for longer instruments. The aperture diameter determines the maximum instrument width that can be accommodated, so compatibility with commonly used tools should be confirmed before purchase.
Temperature Range and Control
Standard models typically operate at 250&deg;C, which is sufficient for eliminating vegetative bacteria and many spore-forming organisms from instrument tips. Digital models provide precise temperature adjustment and monitoring through electronic controls, making them preferable for applications requiring documented operating conditions. Units capable of reaching 300&deg;C may be selected for specialized high-temperature workflows, although prion deactivation requires dedicated sterilization procedures beyond conventional bead sterilization methods.
Warm-up Time and Duty Cycle
Most microbead sterilizers require a warm-up period of approximately 10&ndash;15 minutes to reach operating temperature. Once heated, they can operate continuously throughout the workday, while insulated housings help maintain safe exterior temperatures during prolonged use.
Biosafety Cabinet Compatibility
Flame-free operation makes microbead sterilizers compatible with Class II biosafety cabinets, provided that adequate clearance is maintained according to the cabinet manufacturer's recommendations. Laboratories should verify that the unit's footprint and heat output align with their specific biosafety setup.
Glass Bead Replacement
Glass beads serve as the primary consumable in these systems and should be replaced periodically as they become discolored or accumulate biological residues. Replacement frequency depends on instrument usage patterns, contamination risks, and laboratory protocols.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Glass-bead sterilization at 250&deg;C can eliminate vegetative bacteria and bacterial spores from instrument tips within approximately 15 seconds of contact, according to established laboratory protocols for microbiology and surgical research applications. Operating temperatures should be verified periodically using calibrated thermometers or thermocouples to ensure consistent performance over time. Microbead sterilizers are intended for research use only (RUO) and are not validated as medical sterilization devices under FDA 510(k) or comparable regulatory frameworks. As of 2026, replacement glass beads and accessory components remain widely available to support long-term operation in research laboratories.
A high-quality microbead sterilizer for your laboratory is just one click away. <a href="https://mbpinc.net/contact-us">Contact the expert team at Molecular Biology Products Inc. (MBP)</a> today to find the solution that best matches your workflow requirements.

Microbead Sterilizer

Heating Element Assembly for BactiZapper Classic (B1000-E), 230V

B1000-RA-E by Benchmark Scientific is the 230V replacement heating element assembly for the BactiZapper Classic micro-sterilizer (B1000-E). The asbestos-free infrared core restores the instrument's ability to sterilize inoculation loops, needles, and spreaders at 500 °C (low) or 815 °C (high) in 5–7 seconds without open flame. Designed for the 230V international model only — use B1000-RA for the 115V North American version.

Manufectuer

Heating Element Assembly for BactiZapper Tilt (B1001), 115V

B1001-RA by Benchmark Scientific is the 115V replacement heating element assembly for the BactiZapper Tilt (B1001) microsterilizer, restoring chamber temperatures to 815°C (1500°F) with 5–7 second sterilization cycles. Engineered as a direct-fit replacement for the B1001 unit, this assembly maintains flame-free, splatter-free loop and tube-mouth sterilization.

Heating Element Assembly for BactiZapper Tilt (B1001-E), 230V

B1001-RA-E by Benchmark Scientific is the 230V replacement heating element assembly for the BactiZapper™ Tilt micro-incinerator (B1001-E). The BactiZapper reaches 815 °C / 1500 °F and sterilises inoculating loops in 5–7 seconds. This part restores the instrument without a full-unit replacement.

Heating Element Assembly for BactiZapper XL Tilt (B1001-XL), 115V

B1001-XL-RA by Benchmark Scientific is the 115V OEM replacement heating element assembly for the BactiZapper XL Tilt (B1001-XL) infrared micro-sterilizer, restoring full radiant-heat sterilization performance in the 35 mm chamber. A direct fit for B1001-XL instruments; not compatible with the standard BactiZapper Tilt (B1001) or 230V models. Includes 1-year manufacturer's warranty.

Heating Element Assembly for BactiZapper XL Tilt (B1001-XL-E), 230V

B1001-XL-RA-E by Benchmark Scientific is the 230V replacement heating element assembly for the BactiZapper&trade; XL Tilt infrared micro-sterilizer (B1001-XL-E). Restores full 35&nbsp;mm chamber sterilization function after element wear. Not compatible with 115V BactiZapper models. Research Use Only.

Magnetic Stirrers

<h2>What Are Laboratory Magnetic Stirrers?</h2>
&nbsp;
A laboratory magnetic stirrer uses a rotating permanent magnet or electromagnet installed below a flat work surface to create a spinning magnetic field above the plate. A PTFE (polytetrafluoroethylene)-coated magnetic stir bar placed inside a vessel couples to this field and rotates, mixing the liquid from within. Because there is no physical contact between the stirrer and the contents of the vessel, the technique is contamination-free, amenable to closed-vessel operation, and compatible with corrosive, biological, and hazardous reagents. Magnetic stirrers are used without heating for buffer and media preparation, titrations, pH measurement, enzyme inhibition assays, hybridization reactions, and dissolution studies. Multi-position magnetic stirrers drive multiple stir bars simultaneously on a single unit, enabling parallel sample processing in analytical laboratories, pharmaceutical quality control, and environmental testing workflows. Use a standalone magnetic stirrer (no heat) when you need uniform mixing without thermal input: titrations, pH measurement, cold-room work, and mixing heat-labile reagents.
&nbsp;
<h2 dir="ltr">What You Will Find:&nbsp;</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Digital hotplate magnetic stirrers offer precise temperature control up to 550&deg;C and dual LED displays, making it easy to monitor both heat and speed at a glance.
</li>
<li dir="ltr" aria-level="1">
High-capacity magnetic stirrers are designed to handle larger volumes with ease, providing the powerful torque needed for consistent mixing in bigger batches.
</li>
<li dir="ltr" aria-level="1">
Compact and ultra-flat stirrers provide a space-saving solution for crowded benchtops, featuring low-profile designs and PET surfaces that are tough and easy to clean.
</li>
<li dir="ltr" aria-level="1">
Multi-channel magnetic stirrers allow you to stir up to 10 samples simultaneously with uniform speed, perfect for boosting your lab&rsquo;s productivity.
</li>
<li dir="ltr" aria-level="1">
Analog and classic stirrers bring reliable, straightforward performance to your workstation with durable stainless steel or ceramic-coated plates that resist wear and tear.
</li>
<li dir="ltr" aria-level="1">
Auto-reverse and timer functions give you professional-level control over your mixing cycles, ensuring your samples get exactly the treatment they need.
</li>
</ul>
&nbsp;
<h2>How to Choose a Magnetic Stirrer</h2>
&nbsp;
Single-position vs. multi-position
Single-position stirrers are the most common format for benchtop chemistry and biology work, accommodating one vessel at a time. Multi-position magnetic stirrers (2, 6, 10, or 15 positions on a single plate) are used for high-throughput applications such as dissolution testing, parallel reaction screening, and environmental sample preparation, where identical mixing conditions across multiple vessels are required simultaneously.
Digital vs. analog control
Analog (dial-control) magnetic stirrers are reliable, low-maintenance, and appropriate when mixing speed precision is not critical. Digital stirrers display speed in rpm, maintain the setpoint with a feedback motor controller, and provide reproducible speed settings session to session, which is important for protocols requiring a specific agitation rate (e.g., OD600 turbidity assays, viscosity studies). Some digital models log rpm and run-time data via USB.
Speed range and stir bar compatibility
Most magnetic stirrers cover 100 to 1500 rpm. Microplate and high-throughput models reach up to 1500 rpm with small stir bars. For large-volume vessels (3 L and above), a lower maximum speed (300 to 500 rpm) with a large stir bar (60 mm to 80 mm) is more appropriate than attempting high speed with an undersized bar. PTFE stir bars are available in lengths from 3 mm (for microcentrifuge tubes) to 80 mm (for large vessels); octagonal, cross-shaped, and egg-shaped bars improve mixing in round-bottom flasks compared to standard cylindrical bars.
Plate size and chemical resistance
Plate dimensions determine the largest vessel the stirrer can stably support. A 135 mm x 135 mm plate accommodates a 1 L beaker; larger plates (200 mm x 200 mm and above) are needed for 3 L to 5 L vessels. PTFE-coated plates or ceramic tops offer the highest chemical resistance for work with acids, bases, and organic solvents. Stainless steel tops provide stronger magnetic coupling for viscous materials.
Cold-room and CO2 incubator use
Magnetic stirrers designed for cold-room use (2 degrees C to 8 degrees C) or for operation inside a CO2 incubator use sealed, humidity-resistant motor housings and are rated for continuous operation under those environmental conditions. Standard benchtop stirrers are not rated for cold-room or high-humidity incubator use; using them in these environments shortens motor life.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Motor type affects long-term reliability: brushless DC motors require no maintenance and last longer than brushed motors, which need periodic brush replacement in continuous-use settings. PTFE stir bars should be replaced when the PTFE coating chips or shows wear; bare metal exposure contaminates the solution and interferes with magnetic coupling. For regulated applications (pharmaceutical QC, ISO 17025 labs), specify a stirrer with a digital speed display and speed accuracy of plus or minus 1 rpm to support protocol documentation requirements. Related equipment:&nbsp;<a href="https://mbpinc.net/equipments/temperature-control-equipment/hotplate-and-stirrers"></a>
&nbsp;
Ready to find the perfect spin for your lab? Browse our magnetic stirrer collection and <a href="https://mbpinc.net/contact-us">reach out to the MBP team</a> for a quote today.

Product Literature

HCS-50L / HCS-150L Hotplate Shakers

High Capacity Magnetic Stirrers

IPS7101-50 by Benchmark Scientific is a 50-litre high capacity magnetic stirrer with a 11.8 × 11.8-inch chemically resistant ceramic top plate, 50–1500 rpm speed range (1 rpm increments), built-in timer up to 9 hours, and dual-voltage 120V/230V compatibility. Ideal for large-volume buffer preparation, reagent blending, and scale-up mixing.

Manufacture

High capacity magnetic stirrer, 50L with ceramic top plate, 120V

High capacity magnetic stirrer, 50L with ceramic top plate, 230V

High capacity magnetic stirrer, 150L with ceramic top plate, 120V

High capacity magnetic stirrer, 150L with ceramic top plate, 230V

Homogenizer Accessories

<h2>What are homogenizer accessories?</h2>
&nbsp;
Homogenizer accessories are the interchangeable tools, replacement parts, and supporting vessels and hardware that enable a laboratory homogenizer to be used across different sample volumes, sample types, and processing conditions beyond what the base instrument alone provides. For rotor-stator homogenizers, the critical accessories are the generator head and dispersing tool (the probe tip with rotating blade inside a stator tube), available in different sizes to match different sample volumes. For ultrasonic probe homogenizers, the primary accessories are the sonic probe tip or microtip, which is the consumable component that transmits ultrasonic energy and eventually wears or fatigues. Additional accessories include cleaning stations, jacketed vessels for temperature control, and support stands.
&nbsp;
<h2>What you will find:</h2>
&nbsp;
<ul>
<li>Rotor-stator homogenizer generator probes</li>
<li>Rotor-stator homogenizer probe tips and microtips</li>
<li>Bead kit and bead grinding media for bead mill homogenizers</li>
<li>Sample tube adapters and holders for homogenizers</li>
<li>Stands, clamp attachments, and supports</li>
<li>Cup horns and flow cells for ultrasonic homogenizers</li>
<li>Sound chamber enclosures for noisy ultrasonic homogenizers</li>
<li>Seals and other replaceable homogenizer parts </li>
</ul>
&nbsp;
<h2>How to choose homogenizer accessories</h2>
&nbsp;
Match the generator head size to your sample volume
Rotor-stator generator heads (dispersing elements) are designed for specific volume ranges: the S10N generator head suits 0.5&ndash;30 mL, S18N suits 5&ndash;150 mL, and S25N suits 50&ndash;500 mL volumes in common IKA Ultra-Turrax style instruments. Processing a 2 mL sample with a large S25N head gives poor energy density; processing 200 mL
Check ultrasonic probe tip diameter against the sample vessel and volume
Ultrasonic probe homogenizer tips are available in standard (12.7&ndash;19 mm) and micro (3&ndash;6 mm) diameters, with the micro-tip providing higher acoustic intensity for small volumes and the standard tip covering larger volumes. The tip diameter should be approximately 1/4 to 1/3 of the diameter of the sample container for effective cavitation throughout the sample.
Replace ultrasonic probe tips before pitting becomes severe
Ultrasonic probe tips erode at the vibrating face through cavitation, and a pitted tip delivers less energy, generates metal particles contaminating the sample, and risks mechanical failure. Inspect the tip face regularly for pitting and replace at the first signs of significant erosion to maintain energy delivery.
Use a water-jacketed vessel for temperature-sensitive samples
Water-jacketed homogenization vessels circulate cold water around the sample vessel during homogenization, limiting the temperature rise in the sample from frictional and ultrasonic heating. This is particularly important for enzyme preparations, RNA isolation, and other applications where sample heating above a few degrees above ambient can cause degradation.
Invest in a probe cleaning station for high-throughput work
Probe cleaning stations hold cleaning and rinse solutions in sequence for rapid cleaning between samples, reducing cleaning time and ensuring consistent decontamination in labs processing many samples per session compared with manual cleaning.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
Ultrasonic probe tip replacement is a consumable cost, with tip lifespan typically 50&ndash;200 hours before pitting degrades performance. Manufacturers specify replacement tip models compatible with each horn assembly; non-specified tips risk poor energy coupling or damage. Titanium alloy probe tips remain the standard material for their combination of acoustic properties, corrosion resistance, and fatigue resistance under repeated ultrasonic cycling.
<a href="https://mbpinc.net/contact-us">Contact us to receive a quotation</a> on our homogenizer accessories from our expert staff at Molecular Biology Products Inc.

Homogenizer Prefilled Tubes and Bulk Bead kits Specifications

Homogenizer Prefilled Tubes and Bulk Bead kits

The D1036-ACC by Benchmark Scientific provides homogenizer bead kits in prefilled 2.0 mL unskirted tubes (50/pack) and bulk formats, covering triple-pure zirconium (0.1–3.0 mm), glass (0.1–1.0 mm), stainless steel (2.8–5 mm), garnet/zirconium satellite, and silica/zirconium mixes. Compatible with the Benchmark BeadBug™ and BeadBlaster™ 24 and other popular bead mill homogenizers.

Tube Holder for 5ml tubes (2 x 5ml)

Prefilled 2.0ml tubes, Silica (Glass) Beads, 0.1mm Acid Washed, 50pk

Prefilled 2.0ml tubes, Silica (Glass) Beads, 0.5mm Acid Washed, 50pk

Prefilled 2.0ml tubes, Silica (Glass) Beads, 1.0mm Acid Washed, 50pk

Prefilled 2.0ml tubes, Zirconium Beads, 0.1mm Triple-Pure - High Impact, 50pk

Prefilled 2.0ml tubes, Zirconium Beads, 0.5mm Triple-Pure - High Impact, 50pk

Prefilled 2.0ml tubes, Zirconium Beads, 1.0mm Triple-Pure - High Impact, 50pk

Prefilled 2.0ml tubes, Zirconium Beads, 1.5mm Triple-Pure - High Impact, 50pk

Prefilled 2.0ml tubes, Zirconium Beads, 3.0mm Triple-Pure - High Impact, 50pk

Prefilled - Triple-Pure Starter Kit, 10 each of 0.1, 0.5, 1.0, 1.5 and 3.0mm

Prefilled 2.0ml tubes, Stainless Steel, 2.8mm Acid Washed, 50pk

Prefilled 2.0ml tubes, reinforced, Stainless Steel, 2.8mm Acid Washed, 50pk

Tubes (empty) pack of 1000 with caps and sealing ring

Tubes (empty) pack of 50 with caps and sealing ring

2ml tube, reinforced, with screw cap, skirted (not for BeadBug 3), pk/600

Prefilled 2.0ml tubes, Garnet Shards and one 6 mm Zirconium Bead, 50pk

Prefilled 2.0ml tubes, 0.1mm Silica, 1.4 mm Zirconium & 4mm Silica Beads, 50pk

Prefilled 2.0ml tubes, 6 mm Ceria Based Zirconium Oxide Satellite, 50pk

Prefilled 5.0ml tubes, Stainless Steel beads, 2.8mm Acid Washed, 50pk (for D1036 and D2400 only)

Prefilled 5.0ml tubes, Zirconium beads, 3mm Triple Pure, 50pk (for D1036 and D2400 only)

Bulk Beads, Silica (glass), 0.1mm, acid washed, 200g

Bulk Beads, Silica (glass), 0.5mm, acid washed, 200g

Bulk Beads, Silica (glass), 1.0mm acid washed, 200g

Bulk Beads, Zirconium, 0.1mm, Triple-Pure Molecular Biology Grade, 250g

Bulk Beads, Zirconium, 0.5mm, Triple-Pure Molecular Biology Grade, 250g

Bulk Beads, Zirconium, 1.0mm, Triple-Pure Molecular Biology Grade, 250g

Bulk Beads, Zirconium, 1.5mm, Triple-Pure Molecular Biology Grade, 250g

Bulk Beads, Zirconium, 3.0mm, Triple-Pure Molecular Biology Grade, 300g

Bulk Beads, Stainless Steel, 2.8mm, acid washed, 1,000/pk

50 Bulk Beads, Stainless Steel, 5mm, alcohol washed, 1000/pk

Bulk Beads, 6 mm Zirconium Oxide, Ceria Stabilized, 50/pk

Garnet shards, bulk, acid washed, 250g bottle

Vortex Mixers Accessories

<h2>What are vortex mixer accessories?</h2>
&nbsp;
Vortex mixer accessories are the interchangeable cup heads, foam inserts, and platform adapters that convert a standard single-tube vortex mixer to batch-process multiple tubes or different vessel formats simultaneously. The standard single-tube cup head can be replaced with a multi-tube foam insert holding 6 to 24 microcentrifuge tubes, a tube strip or microplate adapter, or a platform-style attachment for larger vessel formats. These accessories are typically instrument-specific, using a proprietary attachment mechanism that varies between vortex mixer brands.&nbsp;
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">Tube racks for 0.5 ml, 1.5/2.0 ml, 12 mm, 13 mm, and 15 ml tubes</li>
<li dir="ltr" role="presentation">High-capacity tube racks for holding up to 96 samples</li>
<li dir="ltr" role="presentation">Horizontal heads for mixing 2 &times; 50 ml tubes and 4 &times; 15 ml tubes</li>
<li dir="ltr" role="presentation">Foam tube holders for 6 mm, 10 mm, 12 mm, and 16 mm tubes</li>
</ul>
&nbsp;
<h2>How to choose vortex mixer accessories</h2>
&nbsp;
Select foam inserts by the tube format they accommodate
Foam inserts for vortex mixers are sized to hold specific tube formats by pressing the closed tube caps into the foam at defined positions: standard microcentrifuge inserts hold 1.5 mL and 2 mL tubes, larger foam blocks accommodate 15 mL and 50 mL conical tubes, and low-profile inserts hold 0.5 mL tubes or PCR strip tubes in defined arrays. Check that the insert format matches the tube types you use most and that the insert is rated for your vortex mixer's speed range.
Confirm accessory compatibility with your vortex mixer model
Vortex mixer accessories attach via model-specific connectors &mdash; threaded onto the drive spindle or clipped onto the instrument head &mdash; and are not universally compatible between brands or models. Always check that the specific accessory is listed as compatible with your vortex mixer model before ordering.
Use a microplate adapter for 96-well plate mixing
Microplate vortex adapters replace the standard cup head with a flat or recessed platform sized to hold a standard 96-well plate, allowing entire plates to be mixed in continuous mode for ELISA plate washing steps, microplate cell resuspension, and plate-format biochemical assays. The adapter should be rated for the speed at which it will be used to prevent plate sliding.
Check that foam insert speed ratings are compatible with your operating speed
Foam inserts are rated for a maximum operating speed, and using a foam insert at speeds above its rating risks tubes not being securely retained by the foam compression at high rpm. Confirm that the insert's rated speed covers your intended operating speed before batch-processing valuable samples.
Consider a universal platform adapter for flexible use
Some vortex mixer manufacturers offer a universal platform adapter that replaces the cup head with a flat non-slip platform, accepting a wide range of vessel formats using a non-slip mat for retention. While less format-specific than a dedicated foam insert, a universal platform provides flexibility for less common vessel formats.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
Foam inserts work by compressing foam around tube caps to provide frictional retention during high-speed oscillation; foam material and cell size determine tube sizes accommodated and maximum safe speed. As of 2026, inserts accommodating PCR strip tubes alongside microcentrifuge tubes in a single insert have become available, reducing the number of separate formats needed.
<a href="https://mbpinc.net/contact-us">Contact the MBP team</a> today to request a quote and find the right accessories for your vortex mixer.

Vortex Mixer Accessories

Horizontal head, for 12 x 1.5ml

The BV1000-H15 by Benchmark Scientific is an optional horizontal head that holds 12 tubes of 1.5mL each, built to attach to the BenchMixer (BV1000) and Mortexer (BV1005) vortex mixers.

Horizontal head, for 2 x 50ml

BV1000-H500 by Benchmark Scientific is an optional horizontal head that holds 2 x 50mL tubes in a flat orientation on the BenchMixer (BV1000, BV1003) and Mortexer (BV1005) vortex mixers.

Horizontal head, for 4 x 15ml

BV1000-H150 by Benchmark Scientific is an optional horizontal head that holds 4 x 15mL tubes in a flat orientation on the BenchMixer (BV1000, BV1003) and Mortexer (BV1005) vortex mixers.

Horns for Pulse 150 Ultrasonic Homogenizer

DP0150-ACC by Benchmark Scientific are titanium alloy probe horns for the Pulse 150™ Ultrasonic Homogenizer (DP0150), available in 2 mm (0.1–5 mL), 3 mm (3–10 mL), 6 mm (10–100 mL), and 8 mm diameters. The 6 mm horn ships with the DP0150 unit; the 2 mm, 3 mm, and 8 mm horns extend the volume range for microvolume or large-batch applications. The 3 mm horn is also compatible with the Pulse 650™ (DP0650).

Horn, 2mm diameter, for 0.1-5ml, fits DP0150

Horn, 3mm diameter, for 3-10ml, fits DP0150

Horn, 6mm diameter, for 10-100ml, fits DP0150

Horn, 8mm diameter, for 25-150ml, fits DP0150

Horns for Pulse 650 Ultrasonic Homogenizer

DP0650-Acc by Benchmark Scientific are titanium alloy probe horns for the Pulse 650™ Ultrasonic Homogenizer (DP0650), available in six diameters: 2 mm (0.1–5 mL, 1–40% power), 3 mm (3–10 mL), 6 mm (10–100 mL, standard), 8 mm (20–200 mL), 10 mm (30–300 mL), and 12 mm (50–500 mL, 20–95% power). The 6 mm horn ships with the DP0650; all others extend the working volume range from microtubes to 500 mL batches.