Shop › 41220 - Pressure Lever Cassette/Cartridge for FIAlyzer-1000 Peristaltic Pump 41220 - Pressure Lever Cassette/Cartridge for FIAlyzer-1000 Peristaltic Pump $183.88 FIAlab PN 41220 FIAlab PN 41220 Add To Cart Added! You Might Also Like 240370 - Backpressure cartridge, 20 psi $179.62 820607 - Membrane, 25 mm, PTFE for Gas Diffusion, 12-pk $117.98 79153 - Flow Cell Window Replacement Kit: 6 Teflon seals, 2 SMA connectors, 2 jam nuts, 2 silica flow cell windows $177.50 79166 - Flow Cell Window Replacement Kit: 2 Teflon seals, 2 o-rings, 2 silica flow cell windows $103.10 71010 - Cadmium Column for Nitrate Reduction $337.13