Pall Funnel Filt Psf 25MM 50ML Funnel Filt Psf 25MM 50ML. The top opening which is slightly more open than a standard filter press funnel is intended for the collection of very small particles. The upper opening is intended for capturing larger particles. The lower opening which is slightly more open is intended for catching coarse particles. The Pall no-mark funnel filter press is intended for applications where the degree of automation is less than that of a centrifuge. Pall no-mark funnel filters are intended for the opening of very small particles and are not to be used for larger particles. Specifications for Pall Funnel Filt Psf 25MM 50ML 4204 Funnel Filt Psf 25MM 50ML: Description: FUNNEL FILT PSF 25MM 50ML Unit: Each (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 Centrifuges with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for Pall Centrifuges. 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 Funnel Filt Psf 25MM 50ML Funnel Filt Psf 25MM 50ML 4204/ 28144-700 we carry a full complement of Centrifuges 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 Centrifuges please visit our Pall page. For more brand name Centrifuges please visit our Centrifuges store section. To see our complete line of lab medical industrial and scientific products please see our science and lab equipment online catalog. Pall Funnel Filt Psf 25MM 50ML 4204 Funnel Filt Psf 25MM 50ML