NDS - 4" Black Round Grate

The 4" Black Round Grate provides a durable solution for preventing debris from entering drain pipes while efficiently managing light surface water runoff. Ideal for use in lawns, patios, landscaped areas, and atriums, this UV-treated HDPE grate is compatible with multiple 4" pipe types and supports water-safe drainage to curbs or gutters.

Key Features:

• UV-treated high-density polyethylene (HDPE) for fade and crack resistance
• Open surface area of 3.9 sq. in. with a 12 GPM flow rate
• Fits 4" sewer and drain pipe & fittings, 4" corrugated, and 4" triple-wall pipe
• Ideal for light runoff from small lawns, patios, atriums, and walkways
• Grate top diameter: 4-5/8"; height: 1-1/2"; 1/4" opening width
• Soil-tight fit for secure, long-lasting performance
• Blocks debris to help prevent pipeline clogs

Technical Specifications:

• Material: UV-inhibited HDPE (High-Density Polyethylene)
• Top Diameter: 4-5/8"
• Height: 1-1/2"
• Opening Width: 1/4"
• Flow Rate: 12 GPM
• Open Surface Area: 3.9 sq. in.
• Pipe Compatibility: 4" Sewer & Drain, 4" Corrugated, 4" Triple Wall
• UV-Resistant Components: Yes

Installation & Application:

• Recommended Uses: Small lawns, landscaped areas, patios, walkways, atriums
• Installation Method: Placed on top of 4" compatible drain pipe or fitting
• Soil & Climate Suitability: Performs in a range of soil types and UV-intense climates

Compatibility & Optional Accessories:

• Compatible with 4" drain pipe systems (S&D, corrugated, triple-wall)
• Pairs with 4" catch basins or outlet fittings for complete drainage systems