Shop › 41231 - Pressure Lever Cassette/Cartridge for FIAlyzer-FLEX Peristaltic Pump 41231 - Pressure Lever Cassette/Cartridge for FIAlyzer-FLEX Peristaltic Pump $166.87 FIAlab PN 41231 FIAlab PN 41231 Add To Cart Added! You Might Also Like 240370 - Backpressure cartridge, 20 psi $179.62 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 41220 - Pressure Lever Cassette/Cartridge for FIAlyzer-1000 Peristaltic Pump $183.88 79166 - Flow Cell Window Replacement Kit: 2 Teflon seals, 2 o-rings, 2 silica flow cell windows $103.10 79165 - Lachat Adaption Kit (For QuikChem Series) $35.04