EBayProtect your drainage system by using a grate and low-profile adapter on top of drain pipe to block debris from entering and potentially clogging the pipeline while letting excess surface water flow through Ideal for draining moderate water flows from lawns, landscaped areas, patios, walkways, and under downspouts Fits 3 in. & 4 In. Sewer and Drain Pipes & Fittings, 3 in. & 4 In. Single-Wall Corrugated Pipes, 3 in. & 4 In. Triple-Wall Pipes 14.4 Sq. In. Open surface area 44 GPM flow rate Rated for Class A loads (up to 60 psi) when properly installed-recommended for pedestrians, bicycles, and wheelchair traffic; ADA compliant and heel-proof Grate top is 5-7/8 in. Square with ¼ in. Grate openings; Low-profile adapter is 2-1/2 in. High, top opening is 6-3/16 in. Square 6 in. Square Drain Grates (with Low-Profile Adapters) are available in a variety of colors and materials Comes with one 6 in. Square Grate and Low-Profile Adapter Works with connected drain pipe to capture and convey excess surface water for proper release downstream Place low-profile adapter on top of drain pipe or drain fitting, for a soil-tight fit; place 6 in. Drain grate on top of low-profile adapter High-density polyethylene (HDPE) using a combination of virgin and recycled content treated with UV inhibitors to prevent fading and cracking Use sewer and drain fittings when you need to make turns from the drain grate to drain pipe Use with a Pop-Up Drainage Emitter to discharge collected water at a point of release downstream Use with a Flo-Well Dry Well System and EZ Drain Gravel-Free French Drain System to detain excess water and slowly release it into the ground Onsite stormwater management protects the watershed downstream, and limits excess runoff which can lead to negative impacts such as erosion, pollution, and flooding