NDS 12" green square grates are one piece injection molded from structural foam polyolefins for maximum strength. Ultraviolet light inhibitors are added to prevent fading and cracking from exposure to the sun. Water is captured effectively. 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.
- 12" x 12" green square grate
- rated Class B load
- Use with the 12" x 12" catch basin series
