12" Square Grate

Type - Square grate; Made of structural foam polyolefin with uv inhibitors; The open surface area is 50.76 sq. in. with 66.50 gpm; Use with the 12 x 12 in. catch basin series; It is rated a class b load. Features. Type - Square grate. Made of structural foam polyolefin with uv inhibitors. The open surface area is 50.76 sq. in. with 66.50 gpm. Use with the 12 x 12 in. catch basin series. It is rated a class b load. Which is recommended for medium duty pneumatic tire traffic autos light trucks at speeds less than 20 mph.. Color - Green. Size - 12 x 12 in.. Dimension - 11.8 x 11.8 x 1.1 in.. Item Weight - 2.62 lbs.