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Top view of a gray NDS 4-inch round drainage grate made from foam polyolefin, showing slotted pattern and mounting lip for a 4" connection.

NDS 4" Round Drain Grate — 4-inch Foam Polyolefin Gray

Brand: NDS
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$8.86
$6.64
SKU NDS12

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This NDS 4" round drain grate provides a durable, lightweight solution for surface drainage where a 4" connection is required. Made from foam polyolefin, the grate resists UV exposure, chemicals, and corrosion while remaining easy to handle and install.

  • Fits 4" sewer and drain pipe, 4" corrugated pipe, and 4" triple-wall pipe for broad compatibility.
  • Foam polyolefin construction with UV inhibitors prevents fading and cracking in outdoor applications.
  • Rustproof and chemical-resistant—maintenance-free for patios, driveways, and landscape drainage.
  • Designed for light foot traffic; ideal for pedestrian areas, garden paths, and residential applications.
  • Lightweight and easy to install—no special tools required; a cost-effective alternative to concrete grates.

Choose this NDS round grate when you need a reliable, low-maintenance drain grate for residential and light commercial landscaping. It works with common 4" drainage systems and pairs with NDS fittings and accessories for complete installations.

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Frequently Asked Questions

What pipe sizes does this grate fit?
Fits 4" sewer and drain pipe, 4" corrugated pipe, and 4" triple-wall pipe for direct compatibility.
How do I install the 4" round grate?
The lightweight design presses into compatible 4" drainage tubing or fittings; installation requires no special tools.
Is the material durable for outdoor use?
Made from foam polyolefin with UV inhibitors; resists fading, cracking, chemicals and corrosion outdoors.
Can this grate handle vehicle traffic?
No. It is designed for light foot traffic and residential landscaping; avoid regular vehicular loads.

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