Shop › 79150 - Flow Cell Window Replacement Kit: 6 Teflon seals and 2 silica flow cell windows 79150 - Flow Cell Window Replacement Kit: 6 Teflon seals and 2 silica flow cell windows $103.10 FIAlab PN 791506 Teflon seals and 2 silica flow cell windows FIAlab PN 791506 Teflon seals and 2 silica flow cell windows Add To Cart Added! You Might Also Like 79165 - Lachat Adaption Kit (For QuikChem Series) $35.04 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 82066 - Membrane, dialysis, type C, for quick-release sandwich cell, 12-pk $465.54 79166 - Flow Cell Window Replacement Kit: 2 Teflon seals, 2 o-rings, 2 silica flow cell windows $103.10