Korky 0421BP Combo Seat Disc, For: Snap-On and Screw-On Tilt Flush Models, American Standard

The fits American Standard Combo Seat Disc's unique design fits both snap-on and screw-on tilt flush models. The seat disc is also compatible with American Standard actuator units. easy-to-install, the 421 toilet parts include - (one) Seat Disc and (one) Snap-on/Screw-on Adapter.