Shop › 41231 - Pressure Lever Cassette/Cartridge for FIAlyzer-FLEX Peristaltic Pump 41231 - Pressure Lever Cassette/Cartridge for FIAlyzer-FLEX Peristaltic Pump $162.01 FIAlab PN 41231 FIAlab PN 41231 Quantity: Add To Cart Added! You Might Also Like 17047 - Bulb for HL-2000-LL $217.73 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 79165 - Lachat Adaption Kit (For QuikChem Series) $34.03 24055 - 4-Way Manual Switching Valve with Diagonal Flow $215.67 82063 - C type dialysis membrane, pre-mounted, 12-pk $219.80