This Polycap™ TC 36 capsule filter device with filling bell by Whatman™ is a disposable dual layer sterile polyethersulfone (PES) membrane filtration capsule with a 0.2/0.2µm pore size and stepped barb fittings. It provides efficient filtration for critical aqueous solutions. The PES membrane is inherently hydrophilic has low extractables is bio-safe has excellent flow rates and exhibits low protein binding. Maximum pressure is 60psi (4.1 bar). Fittings (Inlet/Outlet): Stepped Barb (1/4 to 3/8-Inch). Filtration Area: 440cm². Pore Size: 0.2/0.2µm. 1/Pack.