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and high-flow zones
A 4″ IPS standpipe is included and can be extended or cut to size for the installation
Body made from fiber reinforced polymer (FRP) with 0% water absorption for chemical and corrosion resistance
and maintain and can be used many times
Watts - RD-970 - 4 in. x 3 in. Downspout Boot R304 Detectable Warning Surfaces and high-flow zonesThe Watts RD 970 is a perforated stainless steel ballast guard designed for use with compatible roof drain systems. It surrounds and protects the drain dome by preventing ballast, gravel, and debris from entering the drain while still allowing high capacity water flow. Its corrosion resistant stainless steel construction makes it suitable for long term rooftop exposure, particularly on ballasted roof systems. Key Features Stainless steel ballast guard
US$ 20.00
US$ 80.00
US$ 139.95
