{"product_id":"45c662","title":"45C662 DAYTON 54 in 57\" H-W 6 1\/4\" L Extrd Alu Backdraft Dampr, 54-1\/2 in x 54-1\/2 in, Aluminum","description":"\u003cul\u003e \u003cli\u003e \u003cstrong\u003eDamper Application:\u003c\/strong\u003e Backdraft\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eFor Nominal Duct Diameter:\u003c\/strong\u003e Not Applicable\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eFrame Material:\u003c\/strong\u003e Aluminum\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eNumber of Panels:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eMaximum Air Velocity:\u003c\/strong\u003e 3000 fpm\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eOverall Height:\u003c\/strong\u003e 57 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\u003e45C662\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\u003e57 In.H-W 6 1\/4 In.L Extrd Alu Backdraft Dampr\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eDamper Application\u003c\/td\u003e \u003ctd\u003eBackdraft\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFor Nominal Duct Diameter\u003c\/td\u003e \u003ctd\u003eNot Applicable\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\u003e2\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eMaximum Air Velocity\u003c\/td\u003e \u003ctd\u003e3000 fpm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOverall Height\u003c\/td\u003e \u003ctd\u003e57 in\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eRough Opening Diameter\u003c\/td\u003e \u003ctd\u003e54 1\/2 in\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eRough Opening Shape\u003c\/td\u003e \u003ctd\u003eSquare\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFits Fan Diameter\u003c\/td\u003e \u003ctd\u003e54 in\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFor Duct Shape\u003c\/td\u003e \u003ctd\u003eNot Applicable\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFree Area\u003c\/td\u003e \u003ctd\u003e17 sq ft\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOverall Width\u003c\/td\u003e \u003ctd\u003e57 in\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFrame Material Thickness\u003c\/td\u003e \u003ctd\u003e0.8 in\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOverall Length\u003c\/td\u003e \u003ctd\u003e6 1\/4 in\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eConnection Type\u003c\/td\u003e \u003ctd\u003eNot Applicable\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFrame Depth\u003c\/td\u003e \u003ctd\u003e3 in\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eUPC\u003c\/td\u003e \u003ctd\u003e190735300732\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe DAYTON 45C662 is an extruded aluminum backdraft damper for ventilation applications. It has a square rough opening of 54-1\/2 in, fits a 54 in fan diameter, and measures 57 in high by 57 in wide with a 6-1\/4 in length. The unit has two panels, a maximum air velocity of 3000 fpm, and a free area of 17 sq ft.\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":67652985356501,"sku":"45C662","price":1002.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/9091\/2213\/files\/Z11O30fo5oy_41c826b1-9f80-436d-9092-66e6838ee566.jpg?v=1791210558","url":"https:\/\/proreplacementparts.com\/products\/45c662","provider":"Pro Replacement Parts","version":"1.0","type":"link"}