NDS® 4" Spee-D Channel slotted plastic grates are UV-protected High-Density Polyethylene (HDPE). These grates are chemically resistant, rustproof, and low-maintenance. Commonly referred to as a 4", the grates are nominally 4-1/8" and have an open surface area of 16.92 square inches (146.36 GPM) per foot.
Four screw holes per grate for NDS229 fasteners (not included).
Actual Dimensions: 4-1/8" x 24" x 3/4"
Grates are made in the USA
Specification Sheet - NDS Spee-D Slotted Grates
Variations Available:
• 243- Black
• 251- Brick Red
• 241- Gray
• 242- Green
• 244- Sand
• 240- White
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