ACQUITY H-Class Filter Assy, 22 µL,Waters,205000731 Back Catalog number: CTS-21196 Availability: In the manufacturer's stock Price on request - + Recommended 15-04-05264 EXP2 Filter Cartridge, 3mm, 0.2µm, 10/pk Price on request CTS-11370 Filter, Air, Door,Waters,700005167 Price on request CTS-11116 Filter, Air, ACQUITY Pump,Waters,700002632 Price on request