Plumbcraft Adjustable Quick Shut Off Perfect Flush Anti-Siphon Toilet Fill Valve Includes Water Flow Adjustment Caps to save money and up to 38% more water with each toilet flush. Includes quick action water shut-off that prevents toilets from continuously running. Anti-Siphon technology keeps drinking water safe. Replaces Ballcocks with float balls or fill valves Adjustable toilet fill valve from 8" to 13". Features a fast powerful flush & quiet water fill. Fits most toilets. Easy installation. Toilet repair kit also includes flush valve and refill tube.