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Square Grate, Green Foam Polyolefin, 9 x 9-In.

Various

9" x 9", green, 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" x 9" 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.