NDS PRO 4" Black Atrium Grate, a flat top structural foam polyolefin grate designed for efficient drainage of moderate stormwater flows. Its raised dome design effectively blocks leaves, mulch, and debris, ensuring continuous water flow through the top. With an open surface area of 17.00 Sq.In. and a flow rate of 52.01 gpm, this grate seamlessly connects to 4" sewer & drain pipes, corrugated pipes, and triple-wall pipes. Made of durable polyethylene with UV inhibitors, it resists fading and cracking from sun exposure. Start your drainage project right with NDS, the leader in stormwater management solutions.
- 4 in. Black Atrium Grate
- Flat top structural foam polyolefin atrium grate with UV inhibitor.
- Open surface area of 17.00 Sq.In.
- Flow rate of 52.01 gpm.
- Fits 4 in. sewer & drain pipe & fittings, 4 in. corrugated pipe, & 4 in. triple wall pipe.
- Made of plastic.
- Black finish.
- Limited lifetime warranty.
