{"product_id":"dayton-53dr13-shutter-wall-25","title":"DAYTON 53DR13 Shutter Wall 25","description":"\u003cp\u003eDAYTON 53DR13 25 In.H-W 5.75 In.L Aluminum Wall Shutter Damper Application Backdraft For Nominal Duct Diameter Not Applicable Frame Material Aluminum Number of Panels 1 Maximum Air Velocity 2500 fpm Overall Height 25 in Rough Opening Diameter 22 1\/2 in Rough Opening Shape Square Fits Fan Diameter 20 in For Duct Shape Not Applicable Free Area 2.5 sq ft Overall Width 25 in Frame Material Thickness 0.8 in Overall Length 5 3\/4 in Connection Type Not Applicable Frame Depth 2 1\/2 in\u003c\/p\u003e","brand":"Grainger USA","offers":[{"title":"Default Title","offer_id":46660001038561,"sku":"RI9HEW","price":313.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0711\/3729\/6609\/files\/4C555_AS01_aede6706-e587-4a89-97ba-d1804a62268e.jpg?v=1752576389","url":"https:\/\/www.industrialsource.com.au\/products\/dayton-53dr13-shutter-wall-25","provider":"Industrial Source","version":"1.0","type":"link"}