Calvana 2 Pack 12 Inch Catch Basin Drain Grate, Fiberglass Reinforced Polyethylene Square Drain Cover for Yard Patio Driveway Drainage, Black — Open-Box, 13% Off

Reinforced Fiberglass Structure: Made from polyethylene reinforced with 20% fiberglass, creating a stronger storm drain grate compared with standard plastic grates. The reinforced structure improves durability and helps the grate maintain shape under regular outdoor use.

Designed for 12 Inch Catch Basins: Square drain grate designed to fit 12 inch catch basins, risers, and low-profile adapters. The drain cover sits securely on compatible drainage components used in yard and landscape drainage systems.

Diamond Drain Grate for Debris Control: Diamond pattern openings help limit large debris such as leaves and small branches while allowing stormwater to pass through. Helps maintain consistent drainage flow in outdoor areas.

Built for Yard and Driveway Drainage: Suitable for driveways, lawns, patios, walkways, and downspout drainage systems. The grate allows surface water to enter the catch basin and move through connected drain pipes toward the discharge location.

Flow and Load Specifications: Open surface area of 53.1 sq in supports a drainage flow rate up to 162 GPM. When installed properly, the grate is suitable for Class B load conditions up to 175 psi, commonly used in residential drainage systems.

Blocks Leaves & Debris: Keep your drainage system in good shape by stopping leaves and junk from clogging things up, while still letting extra water flow right through