Whatman filters with polyethersulfone membranes have low protein binding and are surfactantfree GMF prefilter removes heavy particulates, increasing membrane longevity Gamma irradiated, so there are no ethylene oxide (EtO) residuals Barbed hose connections fit multiple tubing sizes Integritytestable with the bubble point method Lightweight design prevents tubing collapse Recyclable after use. Whatman Polydisc AS (Aqueous Solution) inline filters from Cytiva feature high throughput PES membrane with a glass microfiber prefilter. Available irradiated or nonsterile. Polyethersulfone membranes for aqueous solutions AS Polydisc filters use polyethersulfone membranes, which are low protein binding and surfactant free, making them the recommended membrane for many applications such as buffer or reagent filtration.
These membranes have been demonstrated to contribute low levels of extractables which might otherwise interfere with sample analysis. Polydisc AS also incorporates a glass microfiber prefilter to handle heavy particulates and extend membrane life.