7/8 Inch Male Pipe Adapter to 7/8 Female, Has Built in Screen for Straining, Don't install a toilet Fill Valve without one. 7/8 inch male adaptor, 7/8 inch Female, straight adapter pipe thread with strainer Easy to install, keep water lines clean with built in strainer. 7/8 male ABS Nylon straight adaptor to 7/8 inch female. For air and water with strainer to keep lines clean. You can add a strainer on any house hold item.