{"product_id":"3hhr8","title":"3HHR8 DAYTON 42 in 40\" H-W Aluminum Ceiling Truss Damper, 40 in x 38 in, Aluminum","description":"\u003cul\u003e \u003cli\u003e \u003cstrong\u003eFrame Material:\u003c\/strong\u003e Aluminum\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eNumber of Panels:\u003c\/strong\u003e 1\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eMaximum Air Velocity:\u003c\/strong\u003e 1500 fpm\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eOverall Height:\u003c\/strong\u003e 42 in\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eRough Opening Shape:\u003c\/strong\u003e Rectangular\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eFits Fan Diameter:\u003c\/strong\u003e 42 in\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e \u003ctr\u003e \u003ctd\u003ePart Number\u003c\/td\u003e \u003ctd\u003e3HHR8\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBrand\u003c\/td\u003e \u003ctd\u003eDAYTON\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eItem\u003c\/td\u003e \u003ctd\u003e40 In.H-W Aluminum Ceiling Truss Damper\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFrame Material\u003c\/td\u003e \u003ctd\u003eAluminum\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eNumber of Panels\u003c\/td\u003e \u003ctd\u003e1\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eMaximum Air Velocity\u003c\/td\u003e \u003ctd\u003e1500 fpm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOverall Height\u003c\/td\u003e \u003ctd\u003e42 in\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eRough Opening Shape\u003c\/td\u003e \u003ctd\u003eRectangular\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFits Fan Diameter\u003c\/td\u003e \u003ctd\u003e42 in\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFree Area\u003c\/td\u003e \u003ctd\u003e8.2 sq ft\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOverall Width\u003c\/td\u003e \u003ctd\u003e40 in\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFrame Material Thickness\u003c\/td\u003e \u003ctd\u003e0.1 in\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFrame Depth\u003c\/td\u003e \u003ctd\u003e1 3\/8 in\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eRough Opening Length\u003c\/td\u003e \u003ctd\u003e40 in\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eMaximum Pressure\u003c\/td\u003e \u003ctd\u003e1 in wc\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eRough Opening Width\u003c\/td\u003e \u003ctd\u003e38 in\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBlade Material\u003c\/td\u003e \u003ctd\u003eAluminum\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eClosure Type\u003c\/td\u003e \u003ctd\u003eGravity\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFlange Width\u003c\/td\u003e \u003ctd\u003e1 5\/8 in\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eUPC\u003c\/td\u003e \u003ctd\u003e190735289822\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe DAYTON 3HHR8 is a 42-inch aluminum ceiling truss damper with a rectangular rough opening of 40 inches by 38 inches. It has a single aluminum blade, a frame depth of 1 3\/8 inches, and a flange width of 1 5\/8 inches. The damper provides a free area of 8.2 square feet and is rated for a maximum air velocity of 1500 fpm and a maximum pressure of 1 inch wc.\u003c\/p\u003e\u003cp\u003eConfirm the part number against your existing unit or equipment before ordering to ensure correct fit.\u003c\/p\u003e","brand":"DAYTON","offers":[{"title":"Default Title","offer_id":67686613582037,"sku":"3HHR8","price":474.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/9091\/2213\/files\/Z0_wptfo5oy.jpg?v=1791401728","url":"https:\/\/proreplacementparts.com\/products\/3hhr8","provider":"Pro Replacement Parts","version":"1.0","type":"link"}