HAYWARD ANTI-ENTRAPMENT SUCTION OUTLET COVERS Hayward Anti-Entrapment Suction Outlet Covers are compliant with the VIRGINA GRAEME-BAKER POOL AND SPA ACT (ASME/ANSI A112. 19. 8-2007). Designed for use with concrete vinyl and fiberglass pools Hayward suction outlet covers are available in round or square with sizes to match most installation requirements. Manufactured from rugged UV resistant polymers each Hayward drain cover is NSF listed and includes stainless steel hardware. Whether installing or replacing covers and frames Hayward suction outlets set the standard in quality and value.