The NDS 12 in. Structural Foam Polyolefin Grate is injection molded in 1 piece for strength. Ultraviolet light inhibitors are added to prevent damage due to exposure to sunlight. Designed to be used with NDS 12 in. x 12 in. Catch Basin Series.
- Grate openings are 3/8 in.
- Open surface area 50.76 sq. in.
- 66.50 GPM
- ADA compliant
- When installed properly these grates are rated for class B load of 61-175 psi, recommended for medium-duty pneumatic tire traffic, autos and light trucks at speeds less than 20 MPH