Whatman 6706-3602 Polycap AS 36 Nylon Membrane Capsule Filter with SB Inlet and Outlet Plus Filling Bell, 60 psi Maximum Pressure, 0.2 Micron Polycap AS 36mm filter recommended for filtering aqueous solutions Sterile; 0.2m; with stepped barb inlet and outlet plus filling bell Provides highly effective filtration area in a small size Ultra-clean containing no surfactant or mold release agents Autoclavable; some presterilized with gamma irradiation