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Top-down view of NDS 921B 6 in. satin brass square grate with styrene low-profile adapter, showing geometric openings and finish.

6 in. Square Satin Brass Grate with Styrene Adapter - NDS 921B

Brand: NDS
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$281.10
$210.83
SKU 921B
In Stock (1)

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The NDS 921B is a 6 in. square satin-brass grate with a styrene low-profile adapter designed to fit the Spee-D® catch basin and standard 6 in. sewer and drain pipe. Its brass construction delivers corrosion resistance and a decorative finish for landscaped and pedestrian areas.

  • Material: Solid brass grate with high-impact polystyrene (HIPS) low-profile adapter treated with UV inhibitors.
  • Fits: Designed to mate with 6 in. Spee-D® basin and 6 in. drain pipe and fittings.
  • Dimensions: Top 6-1/8 in. square; overall height 2-3/4 in.; grate openings approximately 3/8 in.
  • Performance: 11.6 sq. in. open surface area and a 35 GPM flow capacity suitable for light flows.
  • Finish: Satin brass color for a durable, low-maintenance decorative appearance.
  • Applications: Ideal for lawns, landscaped areas, patios, and walkways to keep debris out of drain lines.

Installation is straightforward: the brass grate secures to the low-profile adapter, which locks into the Spee-D® basin or connects directly to 6 in. pipe fittings. Remove the grate to access the sump for cleaning. Refer to NDS product literature and tech sheets for full specifications and installation details.

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Frequently Asked Questions

What does the NDS 921B fit?
Designed to fit 6 in. Spee‑D® catch basins and standard 6 in. sewer and drain pipe fittings.
What are the grate dimensions and openings?
Top measures 6-1/8 in. square; overall height 2-3/4 in.; grate openings approximately 3/8 in.
How much flow can this grate handle?
Open surface area is 11.6 sq. in.; tested flow capacity is about 35 gallons per minute.
How do I maintain or clean the 921B grate?
Remove the grate to access the sump, clear debris, and rinse. Periodic inspection keeps the drain flowing.