Effective March 10, 2025, online orders are available only for customers in the U.S. and Canada. If you are outside the U.S. or Canada, please contact customerserviceUS@repligen.com for assistance. Thank you for your understanding.

Hollow fiber filter modules for tangential flow filtration (TFF) from Repligen are industry standards in the filtration and concentration of biologics. Manufactured in compliance with ISO guidelines, the filters are used in thousands of Krosflo® TFF Systems and XCell® ATF Systems worldwide, as well as other industry hollow fiber TFF systems.