Acudor Platinum Control Flow Restrictor (5.70" I.D.)

Features: 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) Under a 4-in. head of water. . . . . . 40 GPM Under a 3-in. head of water. . . . . . 30 GPM Under a 2-in. head of water. . . . . . 20 GPM Under a 1-in. head of water. . . . . . 10 GPM