Pall Acrodisc Sterile Syringe Filters with Supor PES Membrane 25mm Pack of 50 Blue/Green .8/.2um. Made of incredibly durable Pall Acrodisc syringe filter materials these end use a supor PES membrane that is much more durable than the alternatives. This end uses a Pall sterile material that is characterized by its low porosity. With a surface similar to human skin the pores in a Pall Acrodisc Syringe Filter will provide a more comfortable environment for the user. Additionally this material has excellent filtration efficiency and a consistent porosity that provides a high level of protection for the user. Lastly and most importantly Acrodisc Syringe Filters are sterile. Specifications for Pall Acrodisc Strl W/PREFILTER PK50 4187 Acrodisc Strl W/PREFILTER PK50: Description: ACRODISC STRL W/PREFILTER PK50 Unit: Pack of 50 (Please note that the description and stock photo may not correspond to the specific model listed above) We offer only genuine Pall products authorized for sale in the U.S. and other markets so you can be sure that you are buying authentic Filters with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for Pall Filters. 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 Pall Acrodisc Strl W/PREFILTER PK50 Acrodisc Strl W/PREFILTER PK50 4187/ 28144-009 we carry a full complement of Filters as well as other product offerings from Pall. We also carry a full line of Pall accessories to help meet your laboratory and scientific needs. For a complete selection of Pall Filters please visit our Pall page. For more brand name Filters please visit our Filters store section. To see our complete line of lab medical industrial and scientific products please see our science and lab equipment online catalog. Pall Acrodisc Sterile Syringe Filters with Supor PES Membrane 25mm Pack of 50 Blue/Green .8/.2um