The Korky QuietFill is and advanced design anti-siphon fill valve. It is fully enclosed and ultra quiet. Easy-to- install with no float or rod required. Fully adjustable to fit all 2-piece and most 1-piece toilets. This valve will not corrode, even in salt water, and is unaffected by in-tank toilet bowl cleaners. Meets all code requirements and has a 5 year warranty. Packaged 1 per blister card.