Shop › 820605 - Membrane, 25 mm, PTFE for Phase Separation and Debubblers, 10-pk 820605 - Membrane, 25 mm, PTFE for Phase Separation and Debubblers, 10-pk $381.57 FIAlab PN 820605 FIAlab PN 820605 Add To Cart Added! You Might Also Like 79165 - Lachat Adaption Kit (For QuikChem Series) $35.04 82060 - Polypropylene gas diffusion membrane tape kit (12-pk) $175.38 79167 - Flow Cell Window Replacement Kit: 2 Teflon seals, 2 o-rings, 2 SMA connectors, 2 jam nuts, 2 silica flow cell windows $177.50 24055 - 4-Way Manual Switching Valve with Diagonal Flow $222.14 53004 - Valve Rotor: 6-port injector, Valcon E2 $109.48