18 x 36 Inch SuperFlow PVC Frame and Flat Grate pool-dimensions_20x44 75 inches thick

75 inches thick

The pre-filter is provided for use in situations where deposits in the water could clog or damage the pump

This item number is for two items

Be sure to order an assortment of Durafirm Guardrail Clamp Attachment Bolts to insure correct fit and to keep a few extra on hand as spares

18 x 36 Inch SuperFlow PVC Frame and Flat Grate pool-dimensions_20x44 75 inches thickThis is an 18 x 36 inch SuperFlow PVC Frame and Flat Grate. The SuperFlow VGB 2017 certified main drain grates and covers have a super flow rate and a unique top profile design that provides extreme comfort under foot. These large area main drain frames and grates actually begin at 18 inch x 36 inch and go up in size in 18 inch increments. The SuperFlow capacity starts at 2080 GPM; that is unmatched by the competition. Install end to end to