(2-Pack) Calvana Square Drain Grate, Compatible with NDS 1211G, Diamond Design for 12-Inch Catch Basins, Risers, and Low Profile Adapters, Extra Reinforcement for Toughness, Polyethylene, Black

Additional Details from the Manufacturer

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More features

• 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
• Design Features: Made from tough polyethylene that’s specially treated to resist UV rays, so it won’t fade or crack. To boost its durability, we added 5% more reinforcement, making it 0.5 pounds heavier than the 1211G model. It’s tougher and way more wear-resistant, ready to handle whatever you throw at it
• How to Use: This drains a ton of stormwater from your lawn, gardens, patios, walkways, and under downspouts. Water flows into a capture device that connects to the drain pipe, sending it downstream to a spot like a pop-up emitter
• How to Install: Just place the storm drain grate (yep, that’s also called a drain cover) on top of a capture device like a 12 in. catch basin, riser, or low-profile adapter to help drain that surface water
• Specifications: It has 53.1 sq. in. of open surface area and can handle a flow rate of 162 GPM. It’s rated for NDS Class B loads (up to 175 psi) when set up right—perfect for medium-duty tires, cars, and light trucks going under 20 mph