Galvanized slotted grate for the NDS® Dura Slope trench drain system. Recommended for medium-duty pneumatic tire traffic, autos and light trucks at speeds less than 20 mph. Class B Load Rating: 61-175 psi.
Designed to fit: NDS Dura Slope
Locking Devices (2 per grate) sold separately: NDS-629 & DS-122