Shop › 820605 - Membrane, 25 mm, PTFE for Phase Separation and Debubblers, 10-pk 820605 - Membrane, 25 mm, PTFE for Phase Separation and Debubblers, 10-pk $381.57 FIAlab PN 820605 FIAlab PN 820605 Add To Cart Added! You Might Also Like 41220 - Pressure Lever Cassette/Cartridge for FIAlyzer-1000 Peristaltic Pump $183.88 17047 - Bulb for HL-2000-LL $224.26 71010 - Cadmium Column for Nitrate Reduction $337.13 82060 - Polypropylene gas diffusion membrane tape kit (12-pk) $175.38 240370 - Backpressure cartridge, 20 psi $179.62