Description Toilet Fill Valve Filter, 7/8 Inch Male to 7/8 Female, Has Built in Screen for Straining High Mineral Water Sources can ruin most valves with time Screened Adapter reduces Calcium build up in the valve 7/8-inch Male, Filter for Toilet Valve 7/8-inch Female American Pipe Thread Straight Adapter pipe thread with strainer Easy to install, keep water lines clean with built in strainer ABS Nylon straight adapter For Air and Water Lines