Plumbcraft Eco-friendly Adjustable Perfect Flush Anti-siphon Toilet Fill Valve - Fits Most Toilets - Imported Adjustable toilet fill valve from 8" to 13". Features a fast powerful flush & quiet water fill. Anti-Siphon technology keeps drinking water safe. Replaces Ballcocks with float balls or fill valves Includes 6 color coded Water Flow Adjustment Caps to adjust water savings up to 38%. Toilet repair kit/float valve fits most 2 piece toilets including: American Standard, Kohler, etc. Easy installation. Includes Perfect Flush Valve, refill tube, and water flow adjustment caps.