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.

• 9"x9" green square grate for catch basin
• Molded from structural foam polyolefins for maximum strength
• UV light inhibitors prevent fading and cracking from exposure to the sun
• Use with 9"x9" Catch Basin Series
• Recommended For Medium Duty Pneumatic Tire Traffic, Autos & Light Trucks At Speeds Less Than 20 MPH.