Product details:

Ideal for yard / area drains to collect surface water while minimizing the amount of debris entering the system. Features - Round structural foam polyolefin grate with UV inhibitor - Open surface area 85.6 square inches - 112.14 GPM - Recommended for medium-duty pneumatic tire traffic, autos and light trucks less than 20 mph with proper installation - Load rating is based on encasing product in concrete - Fits 15" Sewer & Drain Pipe and Fittings, 15" Corrugated Pipe