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 High Flow suction outlets have some of the industry's highest approved flow rates for use in new construction or as a replacement cover. They also retrofit into all existing Hayward frames. VBG compliant and tested to ANSI/APSP-16 standards.
Size: 18 x 18 inch. Package of two outlet covers.
Cover Open Area Square Inch: 124.10
1.5 Foot/Second Flow Rate GPM: 580
Approved Flow GPM Floor (Horizontal): 812
Approved Flow GPM Wall (Vertical): 732
Click Here for Certificate of Compliance!