Liquid Handling

Serological Pipettes

<h2 dir="ltr"> What Are Serological Pipettes?</h2>
 Serological pipettes are calibrated, graduated, sterile polystyrene disposable pipettes used with a motorised pipette controller to transfer measured volumes of liquid in the 1&ndash;100 mL range. They are the primary tool for cell culture media transfer, buffer preparation, reagent dispensing in volumes above 1 mL, and serial dilutions requiring volumetric accuracy in the millilitre range. They differ from aspirating pipettes &mdash; which have no graduations and are used only for vacuum-assisted waste removal &mdash; and from microcentrifuge tubes, which are not dispensing instruments. Serological pipettes are the correct format for any measured liquid transfer &ge;1 mL in cell culture or reagent preparation; pair them with a motorised pipette controller for safe, ergonomic operation. 
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<h2 dir="ltr">What you will find:</h2>
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<ul>
<li dir="ltr" role="presentation">1 mL to 50 mL Serological Pipettes &ndash; Standard range for routine and high-volume liquid transfer</li>
<li dir="ltr" role="presentation">Glass Serological Pipettes &ndash; Reusable options for solvent resistance and durability</li>
<li dir="ltr" role="presentation">Sterile Serological Pipettes &ndash; Gamma-sterilized for aseptic laboratory use</li>
<li dir="ltr" role="presentation">Non-Sterile Serological Pipettes &ndash; Cost-effective option for general applications</li>
<li dir="ltr" role="presentation">Graduated Serological Pipettes &ndash; For accurate volume measurement and dispensing </li>
</ul>
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<h2>How to Choose Serological Pipettes</h2>
 Volume: Standard Sizes and ISO 7550 Colour Coding ISO 7550 assigns a specific colour code to each serological pipette volume: 1 mL = red; 2 mL = yellow; 5 mL = blue; 10 mL = orange; 25 mL = green; 50 mL = purple (pink/violet depending on supplier). Colour coding allows quick visual volume identification when multiple sizes are in use simultaneously in a BSC. Packaging: Individual Wrap vs Bulk Individually wrapped sterile pipettes are required for cell culture, molecular biology, and aseptic technique. Plastic/plastic peel-open packaging eliminates paper particulate from paper/plastic wrappers &mdash; important in sensitive cell culture applications and for RNA work. Bulk-packed (canister or bag) formats are cost-effective for non-sterile applications such as buffer preparation and reagent dispensing in fume hoods. Construction: 1-Piece vs 3-Piece 1 mL, 2 mL, and 5 mL serological pipettes are typically one-piece moulded polystyrene constructions. 10 mL, 25 mL, and 50 mL pipettes use 3-piece ultrasonically welded construction (Globe Scientific) for the body-to-cone and body-to-cap joints &mdash; essential for the structural integrity of larger formats under aspiration vacuum. Tip and Graduation Features Negative graduations (markings above the nominal maximum) allow volumes slightly above nominal to be read. Fine-point tips with slow drip-off improve pipetting accuracy during cell culture media transfers. Some brands offer Wobble-not-style pipettes with reduced barrel flex for easier single-hand operation. Filter Plug Material Cotton filter plugs are standard; synthetic plugs (polyethylene or polypropylene) are preferred when processing organic solvents or any media that might wick through a cotton plug.
<h2 dir="ltr"> Compare Serological Pipette Volumes </h2>
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<ul>
<li>1 mL &ndash; Red ISO 7550 colour, 1-piece construction, 0.01 mL graduations; used for small-volume media transfer.</li>
<li>2 mL &ndash; Yellow ISO 7550 colour, 1-piece construction, 0.1 mL graduations; used for buffer preparation.</li>
<li>5 mL &ndash; Blue ISO 7550 colour, 1-piece construction, 0.1 mL graduations; used for media preparation and dilutions.</li>
<li>10 mL &ndash; Orange ISO 7550 colour, 3-piece construction, 0.1 mL graduations; used for flask media changes.</li>
<li>25 mL &ndash; Green ISO 7550 colour, 3-piece construction, 0.5 mL graduations; used for bulk media dispensing.</li>
<li>50 mL &ndash; Purple ISO 7550 colour, 3-piece construction, 1.0 mL graduations; used for large flask media changes.</li>
</ul>
<h2 dir="ltr"> Specifications Context</h2>
 Serological pipettes are manufactured from optically clear virgin polystyrene in Class 100,000 cleanroom conditions. Sterility: individually wrapped pipettes are EO-sterilised to SAL 10⁻⁶; non-pyrogenic, non-cytotoxic, DNase-free, and RNase-free per lot. ISO 7550 defines colour coding for serological pipettes; many US suppliers follow this standard, though it is not universally mandated. Calibrated to deliver (TD) with blow-out (marked with a double band or 'TD' marking) &mdash; all liquid must be expelled from the tip for accurate delivery. Globe Scientific, Nest Scientific, and Falcon remain the dominant serological pipette brands in North American cell culture labs.&nbsp; 
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Improve consistency and reduce handling variation with reliable serological pipette solutions. Request a quote from <a href="https://mbpinc.net/contact-us">the expert team at Molecular Biology Products Inc. (MBP).</a>

1880-Group-Serological Pipette Brochure

1880-Group-TDS-1880

1880-Group-TDS-1884

1880-Group-TDS-1888

Flyer

Short Style Serological Pipettes

Short-style (230 mm) polystyrene serological pipettes by Globe Scientific (SKU 1880) — sterile, RNase-free, DNase-free, pyrogen-free, and non-cytotoxic with anti-drip tip and reverse/negative graduations. Designed for confined-space liquid handling in biosafety cabinets and compact lab setups. Available in 5 mL (blue), 10 mL, and 25 mL formats.

Manufacture

Serological Pipette, 5mL, PS, Short Style, 230mm, STERILE, Blue, Individually Wrapped, BOX/250

Serological Pipette, 10mL, PS, Short Style, 230mm, STERILE, Orange, Individually Wrapped, BOX/200

Serological Pipette, 25mL, PS, Short Style, 230mm, STERILE, Red, Individually Wrapped, BOX/100

Transfer Pipettes

<h2>What are disposable transfer pipettes?</h2>
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Disposable transfer pipettes are single-use plastic liquid-handling tools made from low-density polyethylene (LDPE). They are designed as a one-piece bulb-and-stem system used for transferring, dispensing, and handling small volumes of liquids in laboratory workflows.
They are commonly used as a safer and more convenient alternative to glass Pasteur pipettes. Being plastic and disposable, they eliminate the risk of breakage, reduce cross-contamination, and remove the need for separate rubber bulbs. The flexible bulb allows controlled aspiration and dispensing of reagents, samples, and solutions.
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<h2>What you will find:</h2>
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<ul>
<li>Graduated transfer pipettes &ndash; for approximate volume measurement and controlled dispensing</li>
<li>Non-graduated transfer pipettes &ndash; for simple liquid transfer without measurement markings</li>
<li>Fine-tip transfer pipettes &ndash; for small droplets and precise spot dispensing</li>
<li>Sterile transfer pipettes &ndash; for microbiology and contamination-sensitive workflows</li>
<li>Non-sterile transfer pipettes &ndash; for routine laboratory use</li>
<li>Disposable Pasteur pipettes &ndash; for general single-use liquid handling</li>
</ul>
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<h2>How to choose transfer pipettes</h2>
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Tip style Fine-tip pipettes are used for precise work such as microplate spotting and small-volume handling. Standard tips are suitable for general transfers, while wide-bore designs are better for viscous liquids or blood samples. Longer stems help access deep containers.
Capacity and volume handling Select pipettes based on typical working volumes. Smaller pipettes are suitable for low-volume transfers, while larger ones are used for routine sample handling. The effective draw volume depends on bulb capacity and usage technique.
Graduated vs non-graduated Graduated pipettes allow approximate volume estimation and are useful in clinical and diagnostic workflows. Non-graduated pipettes are intended for general dispensing where precise measurement is not required.
Sterility requirements Sterile pipettes are used in microbiology, cell culture, and clinical applications where contamination control is essential. Non-sterile versions are suitable for general laboratory and teaching use.
Length and accessibility Long pipettes are preferred for deep vessels such as flasks and bottles, while shorter designs are used for compact tubes and small workspaces.
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<h2>Specifications context</h2>
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Disposable LDPE transfer pipettes are widely used laboratory consumables for general-purpose liquid handling in research, clinical, and educational environments. They are available in sterile and non-sterile formats with multiple tip designs and capacities to support different workflows.
These pipettes remain a standard alternative to glass Pasteur pipettes due to their safety, low cost, and reduced contamination risk in routine laboratory applications.
For bulk orders or lab-specific requirements, <a href="https://mbpinc.net/contact-us">contact the MBP team</a> for assistance and pricing.

Straight and Curved Transfer Syringes

Globe Scientific 159012 — 12 mL medical-grade polypropylene transfer syringe with printed graduations and removable plunger. Available in straight-tip (159012) and curved-tip (159014) configurations. Sold in bags of 50, suited for oral irrigation, animal feeding, and general lab liquid transfer.

Transfer Syringe, 12cc (12mL), Printed Graduations, Straight Tip, 50/Bag, CS/1200

Transfer Syringe, 12cc (12mL), Printed Graduations, Curved Tip, 50/Bag, CS/1200

Transfer Pipet Brochure

Wide Bore Transfer Pipet

135040 by Globe Scientific is a disposable wide bore transfer pipet: 5.5 mm (0.22") tip inner diameter, 124 mm total length, large bulb. Transfers viscous materials, particulates, and intact biological specimens — tissue biopsies, algae, sludge, pleural fluid, food products — without clogging or shearing. Non-sterile, 500/box, 5,000/case. Sterile variant: 135040-S01.

Total Length

Stem Diameter

Tip Diameter

Transfer Pipet, Wide Bore, Large Bulb, 124mm, 500/Dispenser Box, 10 Boxes/Unit

Transfer Pipet, Wide Bore, Large Bulb, 124mm, 500/Dispenser Box

Transfer Pipet, Wide Bore, Large Bulb, 124mm, STERILE, Individually Wrapped, 100/Bag, 5 Bags/Unit

Non-Graduated Transfer Pipets Specifications

Globe Scientific's Non-Graduated Transfer Pipets

138020B by Globe Scientific are 1.7 mL LDPE non-graduated general-purpose transfer pipets, 87 mm long, supplied 5000/case. ISO 9001:2015 manufactured; the standard bench pipet for histology staining, microbiology inoculation, and high-volume disposable transfer where graduation markings are not required.

Transfer Pipet, 8.0mL, General Purpose, Large Bulb, 157mm, 400/Dispenser Box, 10 Boxes/Unit

Transfer Pipet, 8.0mL, General Purpose, Large Bulb, 157mm, 400/Dispenser Box

Transfer Pipet, 8.0mL, General Purpose, Large Bulb, 157mm, STERILE, Individually Wrapped, 400/Cs

Transfer Pipet, 8.0mL, General Purpose, Large Bulb, 157mm, STERILE, 20/Bag, 20 Bags/Unit

Transfer Pipet, 4.0mL, General Purpose, Blood Bank, 130mm, 500/Dispenser Box, 10 Boxes/Unit

Transfer Pipet, 4.0mL, General Purpose, Blood Bank, 130mm, 500/Dispenser Box

Transfer Pipet, 4.0mL, General Purpose, Blood Bank, 130mm, STERILE, 400/Cs

Transfer Pipet, 4.0mL, General Purpose, Blood Bank, 130mm, STERILE, 20/Bag, 20 Bags/Unit

Transfer Pipet, 5.0mL, General Purpose, Blood Bank, 155mm, 500/Dispenser Box, 10 Boxes/Unit

Transfer Pipet, 5.0mL, General Purpose, Blood Bank, 155mm, 500/Dispenser Box

Transfer Pipet, 5.0mL, General Purpose, Blood Bank, 155mm, STERILE, Individually Wrapped, 500/Cs

Transfer Pipet, 5.0mL, General Purpose, Blood Bank, 155mm, STERILE, 20/Bag, 25 Bags/Unit

Transfer Pipet, 7.0mL, General Purpose, Standard, 155mm, 500/Dispenser Box, 10 Boxes/Unit

Transfer Pipet, 7.0mL, General Purpose, Standard, 155mm, 500/Dispenser Box

Transfer Pipet, 7.0mL, General Purpose, Standard, 155mm, STERILE, Individually Wrapped, 100/Bag, 5 Bags/Unit

Transfer Pipet, 7.0mL, General Purpose, Standard, 155mm, STERILE, 20/Bag, 25 Bags/Unit

Transfer Pipet, 1.7mL, General Purpose, 87mm, 500/Dispenser Box, 10 Boxes/Unit

Transfer Pipet, 1.7mL, General Purpose, 87mm, 500/Dispenser Box

Transfer Pipet, 1.7mL, General Purpose, 87mm, STERILE, Individually Wrapped, 5000/CS

Transfer Pipet, 1.7mL, General Purpose, 87mm, STERILE, 20/Bag, 25 Bags/Unit, 5000/CS

Transfer Pipet, 8.5mL, General Purpose, Large Opening, 137mm, 250/Dispenser Box, 10 Boxes/Unit

Transfer Pipet, 8.5mL, General Purpose, Large Opening, 137mm, 250/Dispenser Box

Transfer Pipet, 8.5mL, General Purpose, Large Opening, 137mm, STERILE, Individually Wrapped

Blood Collection Transfer Pipets

137040 by Globe Scientific is a 5.0 mL LDPE blood bank transfer pipet, 155 mm long, with a 1.8 mL bulb draw and graduation to 2 mL, supplied non-sterile in a bench-top dispenser box with hinged front panel. Designed for blood bank specimen transfer, serum/plasma aliquoting, and slide preparation. Available 500/pack, 5,000/case.

Transfer Pipet, 5.0mL, Blood Bank, Graduated to 2mL, 155mm, 500/Dispenser Box, 10 Boxes/Unit

Transfer Pipet, 5.0mL, Blood Bank, Graduated to 2mL, 155mm, 500/Dispenser Box

Transfer Pipet, 5.0mL, Blood Bank, Graduated to 2mL, 155mm, STERILE, Individually Wrapped, 100/Bag, 5 Bags/Unit

Transfer Pipet, 5.0mL, Blood Bank, Graduated to 2mL, 155mm, STERILE, 20/Pack, 25 Packs/Unit

Narrow Stem Transfer Pipets Specifications

Narrow Stem Transfer Pipets

139020 by Globe Scientific is a 6.5 mL narrow-stem LDPE transfer pipet, 155 mm long, with a 2.1 mm flexible tip, 3.2 mL bulb draw, and 28 drops/mL. Non-graduated; non-sterile. The flexible narrow stem accesses tubes and vessels inaccessible to standard transfer pipets. 500 per dispenser box; sterile options also available.

Transfer Pipet, 4.0mL, Narrow Stem, Short, 85mm, 500/Dispenser Box, 10 Boxes/Unit

Transfer Pipet, 4.0mL, Narrow Stem, Short, 85mm, 500/Dispenser Box

Transfer Pipet, 4.0mL, Narrow Stem, Short, 85mm, STERILE, Individually Wrapped, CS/5000

Transfer Pipet, 4.0mL, Narrow Stem, Short, 85mm, STERILE, 20/Bag, 25 Bags/Unit, CS/5000

Transfer Pipet, 6.5mL, Narrow Stem, 155mm, 500/Dispenser Box, 10 Boxes/Unit

Transfer Pipet, 6.5mL, Narrow Stem, 155mm, 500/Dispenser Box

Transfer Pipet, 1.2mL, General Purpose, 65mm, 500/Dispenser Box, 10 Boxes/Unit

Transfer Pipet, 1.2mL, General Purpose, 65mm, 500/Dispenser Box

Transfer Pipet, 1.2mL, General Purpose, 65mm, STERILE, Individually Wrapped, 100/Bag, 5 Bags/Unit

Transfer Pipet, 1.2mL, General Purpose, 65mm, STERILE, 20/Bag, 25 Bags/Unit

Transfer Pipet, 4.5mL, Narrow Stem, Long, 155mm, 500/Dispenser Box, 10 Boxes/Unit

Transfer Pipet, 4.5mL, Narrow Stem, Long, 155mm, 500/Dispenser Box

Transfer Pipet, 4.5mL, Narrow Stem, Long, 155mm, STERILE, Individually Paper Peel Wrapped, 100/Bag, 5 Bags/Unit

Transfer Pipet, 4.5mL, Narrow Stem, Long, 155mm, STERILE, 20/Pack, 25 Packs/Unit

Transfer Pipet, 15.0mL, Narrow Stem, Large Bulb, 155mm, 250/Dispenser Box, 10 Boxes/Unit

Transfer Pipet, 15.0mL, Narrow Stem, Large Bulb, 155mm, 250/Dispenser Box

Transfer Pipet, 15.0mL, Narrow Stem, Large Bulb, 155mm, STERILE, 20/Bag, 25 Bags/Unit

United States

Texas

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