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Green NDS 4-inch round drainage grate shown from above, circular slotted openings and raised outer rim for pipe connection and debris protection.

NDS 4" Round Drain Grate — Green, Fits 4" Drain Pipe

Brand: NDS
Save 25%
$9.07
$6.80
SKU 13
In Stock (386)

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Durable 4" round grate designed for light surface drainage. The NDS 4" round grate connects directly to 4" sewer and drain pipe and fittings, corrugated pipe, and triple-wall pipe to keep debris out while directing excess water to a safe outlet. Its compact footprint and circular design make it ideal for lawns, landscaped areas, patios, walkways, and other light-flow outdoor spaces.

  • Size: 4" diameter; connects to standard 4" drain pipe and fittings.
  • Material: UV-treated, durable plastic construction for outdoor exposure.
  • Color: Green to blend with turf and landscape environments.
  • Open surface area: 3.85 sq. in. to allow steady sheet flow while blocking debris.
  • Dimensions: Approx. 4.63" L x 4.63" W x 1.5" H for compact installations.
  • Usage: Ideal for redirecting excess water from lawns, large landscapes, patios, and atriums to curbs, gutters, or connected drain lines.

Sold individually and compatible with 4" sewer and drain fittings, corrugated pipe, and 4" triple-wall pipe. For secure connections, use appropriate sewer-and-drain fittings or approved adhesive where recommended. Refer to the NDS drainage catalog or product installation literature for layout guidance and recommended load/recommendation classes.

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Frequently Asked Questions

What pipe sizes does this grate fit?
This grate connects to standard 4" sewer and drain pipe, 4" corrugated pipe, and 4" triple-wall pipe.
Is the grate UV-resistant for outdoor use?
Yes. Retail and manufacturer listings describe the grate as UV-treated or UV-stabilized plastic suitable for outdoor exposure.
Where is this grate typically used?
Use it in lawns, landscaped areas, patios, walkways, and other light-flow outdoor drainage applications to block debris.