Whatman 2614T Polycap HD 36 Polypropylene Capsule Filter with FNPT Inlet and Outlet, 60 psi Maximum Pressure, 20.0 Micron (Pack of 5)

Whatman 6700-3610 Polycap TF 36 PTFE Membrane Capsule Filter with SB Inlet and Outlet, 60 psi Maximum pressure, 1.0 Micron

Whatman 6711-3604 Polycap TF 36 PTFE Membrane Capsule Filter with MNPT Inlet and SB Outlet, 60 psi Maximum Pressure, 0.45 Micron

Whatman FM160-1 6722-5000 VACU-GUARD Vacuum Protection Filter, 50mm Disc (Pack of 10)