PlumbCraft Adjustable Perfect Flush Anti-Siphon Toilet Fill Valve and Seal Tight Toilet Flapper For 2-Inch Flush Drains Adjustable toilet fill valve from 9" to 14". Features a fast powerful flush and quiet water fill. Anti-Siphon technology provides water supply protection keeping your drinking water safe. Seal Tight Toilet Flapper is for 2-inch flush drains and resists harsh chlorinated water. Toilet repair kit/float valve fits most 2 piece toilets including: American Standard, Kohler, etc. Easy to install instructions, includes Adjustable Anti-Siphon Fill Valve and Seal Tight Flapper.