{"product_id":"square-fire-smoke-damper-7-3-4-in-h","title":"Square Fire\/Smoke Damper 7-3\/4 in H","description":"\u003cp\u003e7.75 inH 21 inL 8 inW Motrzd Fire\/Smoke Damper For Nominal Duct Diameter Not Applicable Damper Application Fire and Smoke Number of Panels 1 Overall Height 7 3\/4 in Overall Length 21 in Rough Opening Shape Square For Duct Shape Square Overall Width 8 in Frame Material Thickness 16 ga Blade Material Galvanized Steel Maximum Air Pressure 4 in wg Overall Diameter Not Applicable Rough Opening Width 8 in Damper Type Dynamic Maximum Air Velocity 2000 fpm Nameplate Voltage 24V DC\u003c\/p\u003e","brand":"DAYTON","offers":[{"title":"Default Title","offer_id":40942542979156,"sku":"28R63B","price":654.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/3316\/7700\/files\/3HGJ3_AS01.jpg?v=1744666441","url":"https:\/\/jahnda.com\/products\/square-fire-smoke-damper-7-3-4-in-h","provider":"The Jahnda Group - Your Government Supply Provider","version":"1.0","type":"link"}