Square grate, made of structural foam polyolefin with uv inhibitors, open surface area is 39.50 sqin with 51.75 gpm, use with the 9 inches by 9 inches catch basin series, it is rated a class b load, which is recommended for medium duty pneumatic ti
9 inches x 9 inches, black, square grate, made of structural foam polyolefin with uv inhibitors, open surface area is 39.50 sqin with 51.75 gpm, use with the 9 inches x 9 inches catch basin series, it is rated a class b load, which is recommended for medium duty pneumatic tire traffic, autos and light trucks at speeds less than 20 mph. |