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Channel 9 is a sloped section with an invert depth from 14
and a gasket seal between the body and top assembly to prevent leaks to lower levels
Square nickel-bronze strainer with a hinged solid cover for secure and controlled access
it supports OSHA-compliant safety railings and comes in a range of sizes and finishes to suit demanding commercial and industrial applications
Channel 19 is a sloped section with an invert depth from 12
Watts - GRD-640 - Green Roof Metered Overflow Drain Strip Drian Channel 9 is a slopedThe Watts GRD 640 is a stainless steel metered overflow drain designed for green roof and planter applications where controlled secondary drainage is required. Its epoxy coated cast iron body provides long term durability, while the perforated stainless steel gravel guard with secured solid cover helps prevent debris and ballast intrusion. The ABS standpipe includes a 5 8 inch orifice to regulate overflow, and the drain comes standard with a no hub
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US$ 245.87
