Disc Filter - 0.2 Micron (50 Filters)The perfect disposable disc filter! Individually Packaged Bi Directional Hydrophilic Sterile, Non Toxic and Non Pyrogenic Attaches Securely to Luer Connectors The 0. 2 micron filter was specifically designed for sterilization and bacteria retentive applications. All EPS Disposable Disc Filters are hydrophilic and bi directional. Equipped with proximal and distal luer locks (male and female), the filters attach securely to any luer connection,