WGX1031BLV2 Cover 9 Sq W/Inner Frame Lv See below

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