18 x 18 Inch SuperFlow Main Drain Grate Only 816 GPM (Package of 2) inlet-pipe-size_5" and Van Stone Flange with

and Van Stone Flange with epoxy coated steel back-up ring

This is a Regal Beloit Century ST1052 Full-Rated Two-Compartment

Please Note: Low concrete or air temperatures and/or high relative humidity will extend drying times

This hinge assembly comes completely assembled and includes four (4) Durafirm 3/8 inch x 1-1/2 inch Aluminum Hex Head Bolts and Nuts (DF-SF106)

18 x 18 Inch SuperFlow Main Drain Grate Only 816 GPM (Package of 2) inlet-pipe-size_5" and Van Stone Flange withThis 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.