18 Inch Square Main Drain Cover With Inner Frame High Flow filter-length_23 3/4 inches 1/4 Inch O

1/4 Inch O

or flappers

Made of high-density foam

3/4 inch water meter

The Touchpad has a quarter inch backbone

18 Inch Square Main Drain Cover With Inner Frame High Flow filter-length_23 3/4 inches 1/4 Inch OThis 18 inch Hayward square main drain replacement cover is a high flow cover and has an inner only (no outer frame). Hayward's High Flow covers have some of the industry's highest ASME approved flow rates. Each size and flow design cover retrofit to existing Hayward frames and are designed for an extensive 7 year life span. All Hayward WG Series suction outlets and replacement covers are VGB compliant and are tested to APSP ANSI ICC 16 2017 standards