{"product_id":"dayton-3hgj7-square-fire-smoke-damper-17-3-4-in-h","title":"Dayton 3HGJ7 - Square Fire\/Smoke Damper,17-3\/4 In. H","description":"\u003cp\u003e17.75 In.H 16 In.L 18 In.W Motrzd Fire\/Smke Dampr, For Nominal Duct Diameter Not Applicable, Damper Application Fire and Smoke, Number of Panels 1, Overall Height 17 3\/4 in, Overall Length 16 in, Rough Opening Shape Square, For Duct Shape Square, Overall Width 18 in, Frame Material Thickness 16 ga, Blade Material Galvanized Steel, Maximum Air Pressure 4 in wg, Overall Diameter Not Applicable, Rough Opening Width 18 in, Damper Type Dynamic, Maximum Air Velocity 2000 fpm, Nameplate Voltage 24V AC\u003c\/p\u003e","brand":"DAYTON","offers":[{"title":"Default Title","offer_id":43253443199070,"sku":"3HGJ7","price":699.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Z0355wfo5oy.jpg?v=1788375974","url":"https:\/\/nationalboilersupply.com\/products\/dayton-3hgj7-square-fire-smoke-damper-17-3-4-in-h","provider":"National Boiler Supply","version":"1.0","type":"link"}