CUNO AP5527 Water Filter 2 Pack
Twin Pack of Reverse Osmosis Water Filter Replacement Cartridges This AP5527 twin pack replaces the pre and post-filter on the AP-RO5500. It is suggested these cartridges be changed every 6 months. The pre-filter removes dirt and sediment. The post-filter enhances the RO product water. Features: SQC (sanitary quick change) cartridges for easy cartridge change.