Description Champion 4 Flush Valve for Two Piece Toilets We make our flush valves out of the finest Polymers money can buy. Our flappers are designed and made so you can remove and install replaceable silicone seals. Most silicone seals are about $10 apiece. You can take them off and wash them in vinegar and never have to buy a flapper again. American Standard Champion ®4 & Champion ®4 MAX Toilets Two Piece Models – #2002, 2018, 2023, 231AA, 231BA, & 241AA / Tanks #4149A, 4215A, 4260, & 4266 Two Piece Models – #2002, 2018, 2023, 231AA, 231BA, & 241AA / Tanks #4149A, 4215A, 4260, & 4266 NuFlush flush valve sits on the bottom of the toilet tank so you can flush all the water in the toilet tank Designed for two-piece toilets 9-inch overflow tube Toilet Tank to bowl gasket Hardbody with 2 Extra Seals Comes with Extra Seals for a Lifetime of Flushing Hardbody Flapper is Made of Lightweight ABS Silicone Flapper Floats Well and Stays up for a Longer Flush Nylon Bolts with High Tensile Strength for Amateur Plumbers Stainless Steel Bolts for Experienced Installers Using the same wrench as the original valve you can install this with ease, otherwise a belt wrench works very well!