Shop › 79166 - Flow Cell Window Replacement Kit: 2 Teflon seals, 2 o-rings, 2 silica flow cell windows 79166 - Flow Cell Window Replacement Kit: 2 Teflon seals, 2 o-rings, 2 silica flow cell windows $100.10 FIAlab PN 791662 Teflon seals, 2 o-rings, 2 silica flow cell windows FIAlab PN 791662 Teflon seals, 2 o-rings, 2 silica flow cell windows Quantity: Add To Cart Added! You Might Also Like 820607 - Membrane, 25 mm, PTFE for Gas Diffusion, 12-pk $114.54 820605 - Membrane, 25 mm, PTFE for Phase Separation and Debubblers, 10-pk $370.46 41231 - Pressure Lever Cassette/Cartridge for FIAlyzer-FLEX Peristaltic Pump $162.01 71010 - Cadmium Column for Nitrate Reduction $306.48 82066 - Membrane, dialysis, type C, for quick-release sandwich cell, 12-pk $451.98