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 $103.10 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 Add To Cart Added! You Might Also Like 79165 - Lachat Adaption Kit (For QuikChem Series) $35.04 53004 - Valve Rotor: 6-port injector, Valcon E2 $109.48 79153 - Flow Cell Window Replacement Kit: 6 Teflon seals, 2 SMA connectors, 2 jam nuts, 2 silica flow cell windows $177.50 240370 - Backpressure cartridge, 20 psi $179.62 17047 - Bulb for HL-2000-LL $224.26