The IR-10A has been discontinued by the Manufacturer - Waterpik. These filters will no longer be available from any retailer. The AquaPure AP117 is a compatible replacement filter. Please note the AP117 does not fit the Waterpik K-50 or K50 system.
The WaterPik IR-10A, IR-10 Under Sink Replacement Water Filter Cartridge fits Model IF-10A, IF10, IF10A, IF 10, IF 10A and most standard (10 inch by 3 inch) under sink filter systems including the IF-100, IF100, IF 100, K-50, K50, Teledyne, Ametek, Culligan, Cuno, Omni, and Pollenex.
WaterPik 1R-10A Dimensions
This WaterPik IR-10A Under Sink Replacement Water Filter Cartridge meets NSF / ANSI standard 42 for the reduction of
The IR-10A lasts up to 6 months or 1,200 Gallons. The Water filter should be changed if an unpleasant taste returns, if water pressure drops, or if the recommended 6 months timeframe has passed.