Platinum Flow Controls are used to control roof water drainage, if necessary, when storm water flow rates are restricted by municipal regulation
Platinum Flow Controls are made of .07" heavy duty spun aluminum
Drainage flutes are located on both sides and a 4" diameter top opening when head of water exceeds 4.41" flow control height
Side drainage flutes designed to restrict water flow and comply to municipal regulations
Simple and easy to install
Fits all styles and sizes of Platinum Copper and Aluminum drains
Platinum Flow Control drain insert will perform as a drain restrictor with the following performance: Fits all sizes of Platinum copper and aluminum drains (not economy drains)