Upgraded your pool equipment with the user friendly Directional Air Release Say goodbye to air build up and hello to improve water flows Replace your old release valves confidently with this directional air release valves Achieve efficient water circulations with the Directional Air Release Valves Keep your pool clear and clean Designed for pool maintenance professionals and technicians, the Directional Air Release Valves is a must have tool for regular inspections and replacements Suitable for both public and private pools, the Directional Air Release ensures Enjoy a refreshing swimming