Shop / Accessories 240370 - Backpressure cartridge, 20 psi $174.39 24055 - 4-Way Manual Switching Valve with Diagonal Flow $215.67 79167 - Flow Cell Window Replacement Kit: 2 Teflon seals, 2 o-rings, 2 SMA connectors, 2 jam nuts, 2 silica flow cell windows $172.33 79166 - Flow Cell Window Replacement Kit: 2 Teflon seals, 2 o-rings, 2 silica flow cell windows $100.10 79153 - Flow Cell Window Replacement Kit: 6 Teflon seals, 2 SMA connectors, 2 jam nuts, 2 silica flow cell windows $172.33 79150 - Flow Cell Window Replacement Kit: 6 Teflon seals and 2 silica flow cell windows $100.10 82066 - Membrane, dialysis, type C, for quick-release sandwich cell, 12-pk $451.98 820603 - Membrane, 25 mm, Polypropylene for Gas Diffusion, 12-pk $91.84 820605 - Membrane, 25 mm, PTFE for Phase Separation and Debubblers, 10-pk $370.46 820607 - Membrane, 25 mm, PTFE for Gas Diffusion, 12-pk $91.84 17047 - Bulb for HL-2000-LL $217.73 53004 - Valve Rotor: 6-port injector, Valcon E2 $106.29 41231 - Pressure Lever Cassette/Cartridge for FIAlyzer-FLEX Peristaltic Pump $162.01 41220 - Pressure Lever Cassette/Cartridge for FIAlyzer-1000 Peristaltic Pump $178.52 82063 - C type dialysis membrane, pre-mounted, 12-pk $219.80 82060 - Polypropylene gas diffusion membrane tape kit (12-pk) $170.27 71011 - Ion Exchange Column for MTB Sulfate $370.46 71010 - Cadmium Column for Nitrate Reduction $306.48 71015 - Cadmium Column for Nitrate Reduction (Package of two, second one 25% off) $536.34 79165 - Lachat Adaption Kit (For QuikChem Series) $34.03