18 x 18 Inch SuperFlow Main Drain Grate Only 816 GPM (Package of 2) gallons-per-minute_325-349 Spa Purifier's formula improves the

Spa Purifier's formula improves the look

when all you need is the replacement lid

And no extractor is required for sidewall applications up to 70 feet on room air

and Low Water Sensor Problem

18 x 18 Inch SuperFlow Main Drain Grate Only 816 GPM (Package of 2) gallons-per-minute_325-349 Spa Purifier's formula improves theThis is an 18 x 18 inch 816 GPM replacement Main Drain Grate Only. This comes as a pack of two. The domed SuperFlow main drain grating is unique since it has the capability to maintain a flow rate of 816 GPM (18 x 18 inches). Includes grate (cover only) and screws. This anti entrapment cover is VGB compliant and certified to the APSP ANSI ICC 16 2017 standards.