NDS 75 — 4" Atrium Drain Grate, Green, Fits 4" Pipe

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Durable NDS 75 4" Atrium Drain Grate in green protects landscape beds, window wells, mulched areas, and other debris-prone surfaces by allowing water to pass while blocking mulch a nd leaves. The raised dome-style grate directs surface water into the drain system and connects to standard 4" drain piping for reliable, low-maintenance surface drainage. Material: UV-stabilized HDPE plastic for long-term outdoor durability and chemical resistance. Compatibility: Fits 4" sewer & drain pipe, 4" corrugated pipe, and 4" triple-wall pipe with a soil-tight collar. Open Surface Area: 17.0 sq. in. for efficient water intake while limiting debris entry. Grate Openings: 1/4" openings and raised dome design to reduce clogging from leaves and mulch. Flow Capacity: Will accommodate approximately 52.01 GPM at 1/2" head (typical performance rating). Dimensions & Weight: Approximately 4-3/16" wide and 4-7/16" high; lightweight at about 0.21 lbs for easy handling. Easy to install and removable for routine cleaning, the NDS 75 atrium grate provides a simple, effective inlet for residential and light commercial drainage needs. Its plastic construction resists rust and corrosion and includes UV inhibitors to resist sun damage; use it with compatible NDS fittings or common 4" drainage components to protect pipelines from sediment and organic debris. Show more