Hayward heavy-duty grates are injection molded with ABS which resists chemical attack that leads to yellowing. For concrete, vinyl, or fiberglass pools, they are totally noncorrosive and nonconductive.
Hayward's Low Velocity suction outlets are specifically designed for applications with requirements limiting the maximum flow velocity to 1.5 feet per second. They retrofit into all existing Hayward frames. VBG compliant and tested to ANSI/APSP-16 standards.
Size: 12 x 12 inch. Package of two outlet covers.
Cover Open Area Square Inch: 83.40
1.5 Foot/Second Flow Rate GPM: 390
Approved Flow GPM Floor (Horizontal): 392
Approved Flow GPM Wall (Vertical): 260
Click Here for Certificate of Compliance!