Samco Disposable Transfer Pipets Sterile Samco Scientific General-Purpose Large Bulb Pack. Combining top-notch and uncompromising quality with an affordable price the Samco Disposable Transfer Pipets Sterile Samco Scientific General-Purpose Large Bulb 20420S/ 73990-092 can fulfill your laboratory needs while still offering a great value for the money. Product Category Description: The Samco Disposable Transfer Pipets Sterile Scientific 20420S General-Purpose Large Bulb Pack of 400 is a general-purpose transfer pipet with a built-in pipet bulb. The low-affinity surface of the Samco Disposable Transfer Pipet reduces the loss of cells and valuable proteins due to binding. The transfer pipets may be frozen in liquid nitrogen or heat-sealed for storage. The flexible lightweight pipet tip may be snapped or blown apart for easy cleaning. The frosted bulb reduces the visual impact of liquid level changes during aspirating pipetting and aspirating-freeking. The Samco Disposable Transfer Pipets meets the demand for dependable performance and rugged durability necessary for demanding applications in science research education and industry. The general-purpose transfer pipets are sterile latex-free and contain no hazardous or toxic materials. The latex can absorb many forms of DNA including proteins DNA RNA and protein aggregates. The flexible tip prevents cells from clumping and aggregates from forming on the tip. The low-affinity surface reduces the loss of cells and valuable proteins due to binding. The flexible bulb may be snapped off dropped in a clean container or capped and autoclaved. The non-sterile pipets may be frozen in liquid nitrogen or air-frozen without effect. The pipet tips are easily removed by hand for subsequent use. The Samco Disposable Transfer Pipets can also be frozen in liquid nitrogen or air-dried. They may be frozen or heat-sealed for storage. The polyethylene liner will not swell or become soft due to swelling or brittleness. Specifications for Samco Disposable Transfer Pipets Sterile Samco Scientific 20420S General-Purpose Large Bulb: Description: General-Purpose Large Bulb OverallCapacitymL: 8.0 BulbDrawmL: 4.6 TotalLengthcm: 15.7 StemDia.mm: 6.1 Packaging: 20/Bag SamcoNo.: 20420S Unit: Pack of 400 (Please note that the description and stock photo may not correspond to the specific model listed above) We offer only genuine Samco products authorized for sale in the U.S. and other markets so you can be sure that you are buying authentic Pipets & Liquid Handling with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for Samco Pipets & Liquid Handling. We are an authorized supplier to all federal and state government agencies as well as to research and educational institutions and can facilitate volume orders on many types of laboratory equipment lab consumables and other products to help fulfill your specific needs. We offer Free Shipping and FREE USPS shipping to APO and FPO addresses on all orders in our store over 49. Please refer to our APO/FPO Shipping and Export Restrictions for more information on export to APO/FPO addresses. In addition to the Samco Disposable Transfer Pipets Sterile Samco Scientific General-Purpose Large Bulb 20420S/ 73990-092 we carry a full complement of Pipets & Liquid Handling as well as other product offerings from Samco. We also carry a full line of Samco accessories to help meet your laboratory and scientific needs. For a complete selection of Samco Pipets & Liquid Handling please visit our Samco page. For more brand name Pipets & Liquid Handling please visit our Pipets & Liquid Handling store section. To see our complete line of lab medical industrial and scientific products please see our science and lab equipment online catalog. Samco Disposable Transfer Pipets Sterile Samco Scientific 20420S General-Purpose Large Bulb Pack