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NDS Black Grid Square Atrium Grate 18 in. | NDS-1881

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Sales Price $144.10 Our Price $198.95 You save 28%

NDS-1881 18 in. Black Atrium Drainage Grate

Use with 18 in. Catch Basin Series.

** BEFORE installing a drainage system, please check your local codes and regulations and install accordingly. **


  • Structural Foam Polyolefin Dome Atrium Grate with UV inhibitor
  • Open surface area 89.40 square inches
  • Flow rate: 117.11 GPM
  • Length: 16.81 in.
  • Width: 16.81 in.
  • Height: 6 in.
More Information
Brand NDS
Dimensions 18 in. x 18 in.
Connection Size 18 in.
Connection Type Catch Basin
Flow Rate 272 GPM
Material Plastic
Style Atrium
Shape Square
Warranty 1 Year
Color Black
Size 18 in.
Pattern Grid
Catalog (489.75 kB)
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