{"product_id":"redwood-4c556-12-in-backdraft-damper-wall-shutter-12-1-2-in-x-12-1-2-in","title":"Redwood 4C556 12 in Backdraft Damper \/ Wall Shutter, 12-1\/2 in x 12-1\/2 in","description":"\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003e15 In.H-W 5.75 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 15 in, Rough Opening Diameter 12 1\/2 in, Rough Opening Shape Square, Fits Fan Diameter 12 in, For Duct Shape Not Applicable, Free Area 0.8 sq ft, Overall Width 15 in, Frame Material Thickness 0.8 in, Overall Length 5 3\/4 in, Connection Type Not Applicable, Frame Depth 2 1\/2 in\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody class=\"attributes\"\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eItem\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eWall Backdraft Damper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eShutter Mounting Position\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eVertical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eShutter Mounting Location\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eWall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eShutter Construction Material\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eExtruded Aluminum Frame and G-90 Galvanized Tie Rods\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eShutter Free Area\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003e0.786 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eShutter Opening Required\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003e12-1\/2 in x 12-1\/2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eBlade Material\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eMax. Velocity\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003e2500 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eShutter Item\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eBackdraft Damper \/ Wall Shutter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eFor Use With\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eVertical Mounted Exhaust Fans\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eFrame Opening A\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003e12 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eNumber of Panels\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eShutter Overall Square\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003e23\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eFrame Opening B\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003e12 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eMounting Position\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eVertical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eColor\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eRough Opening Dims\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003e12 1\/2 in x 12.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eBlade\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eAluminum Blade w\/ Felt Seal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eFree Area\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003e0.8 sq ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eSeal Material\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eNot Applicable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eSeries\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eEAS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eClosure Velocity Rating\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003e2,500 fpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003ePressure Drop @ 1000 fpm (AMCA 5.2)\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eNot Applicable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eCounterbalanced\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eTie-Rod Material\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eGalvanized Steel Frame and Tie Rods\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eBlade Orientation\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eParallel Blades\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eSingle Acting\/Double Acting\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eSingle Acting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eFlange Type\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eRear Flange\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eMaximum Ambient Temperature\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003e180 Degrees F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eACMA Leakage Class\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eNot Applicable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eAirflow Direction\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eHorizontal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eBlade Material Thickness\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003e26 ga\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eMinimum Ambient Temperature\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003e-40 Degrees F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eBushing Material\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eBlade Seal Material\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eFelt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eFrame Material Thickness\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003e0.8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eDamper Application\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eBackdraft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eFusible Link Temperature\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eNot Applicable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eSwitch Action\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eNormally Closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eFrame Material\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eFor Fuel Type\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eNot Applicable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eBlade Type\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eFlat Blade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eRough Opening Shape\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eSquare\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eClosure Type\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eGravity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eFrame Less Flange\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eMaximum Pressure\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003e1 in wc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eOpening Type\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eGravity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eFor Duct Shape\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eNot Applicable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eDamper Type\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eStatic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eDamper Finish\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eMill Finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eConnection Type\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003eNot Applicable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003eMaximum Air Velocity\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003e2500 fpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"pa-2 px-lg-4 text-body-1 font-weight-bold name\" width=\"50%\"\u003ePackage Quantity\u003c\/td\u003e\n\u003ctd class=\"pa-2 pl-4 pr-lg-4 pl-lg-0 text-body-1 value\" width=\"50%\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Redwood","offers":[{"title":"Default Title","offer_id":41962041114727,"sku":"RW4C556","price":76.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/7975\/9463\/files\/4C556_1.jpg?v=1765158810","url":"https:\/\/www.riswll.com\/products\/redwood-4c556-12-in-backdraft-damper-wall-shutter-12-1-2-in-x-12-1-2-in","provider":"Redwood Industrial Solutions W.L.L","version":"1.0","type":"link"}