Hayward’s Low Velocity suction outlets are specifically designed for applications with requirements limiting the maximum flow velocity to 1.5 feet per second.
VGB compliant and are tested to ASME A112 19.8b-2009 and ANSI/APSP-16 standards as well as meeting CPSC requirements.
Please order from this link as the old part was discontinued
https://www.spasandpools.com/main-drain-grate-hayward-9-x-9-square-with-inner-frame
