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 $370.46 FIAlab PN 820605 FIAlab PN 820605 Quantity: Add To Cart Added! You Might Also Like 79166 - Flow Cell Window Replacement Kit: 2 Teflon seals, 2 o-rings, 2 silica flow cell windows $100.10 820603 - Membrane, 25 mm, Polypropylene for Gas Diffusion, 12-pk $91.84 79150 - Flow Cell Window Replacement Kit: 6 Teflon seals and 2 silica flow cell windows $100.10 17047 - Bulb for HL-2000-LL $217.73 41231 - Pressure Lever Cassette/Cartridge for FIAlyzer-FLEX Peristaltic Pump $162.01