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 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 240370 - Backpressure cartridge, 20 psi $179.62 79166 - Flow Cell Window Replacement Kit: 2 Teflon seals, 2 o-rings, 2 silica flow cell windows $103.10 82066 - Membrane, dialysis, type C, for quick-release sandwich cell, 12-pk $465.54 79165 - Lachat Adaption Kit (For QuikChem Series) $35.04