About this product
The NDS round atrium drain grate in black measures 4 in. with a 4-3/16 in. diameter, fitting standard 4 in. sewer, drain, corrugated, and triple wall pipes.
UV-resistant HDPE pairs 17 sq. in. of open surface area with a 52.01 GPM maximum flow rate, blocking debris while handling runoff.
From the Manufacturer
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