Shop › 79167 - Flow Cell Window Replacement Kit: 2 Teflon seals, 2 o-rings, 2 SMA connectors, 2 jam nuts, 2 silica flow cell windows 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 FIAlab PN 791672 Teflon seals, 2 o-rings, 2 SMA connectors, 2 jam nuts, 2 silica flow cell windows FIAlab PN 791672 Teflon seals, 2 o-rings, 2 SMA connectors, 2 jam nuts, 2 silica flow cell windows Add To Cart Added! You Might Also Like 820607 - Membrane, 25 mm, PTFE for Gas Diffusion, 12-pk $117.98 79166 - Flow Cell Window Replacement Kit: 2 Teflon seals, 2 o-rings, 2 silica flow cell windows $103.10 240370 - Backpressure cartridge, 20 psi $179.62 79165 - Lachat Adaption Kit (For QuikChem Series) $35.04 79153 - Flow Cell Window Replacement Kit: 6 Teflon seals, 2 SMA connectors, 2 jam nuts, 2 silica flow cell windows $177.50