{"product_id":"dayton-5nkh7-combo-louver-damper-adj-23-1-2-h-alum","title":"DAYTON 5NKH7 Combo Louver Damper Adj 23-1\/2 H Alum","description":"\u003cp\u003eDAYTON 5NKH7 18 In.H 21 In.W Drnbl Extrd Alu Combo Dmpr Louver Type Combination Frame Type Hat Channel Outside Height 23 1\/2 in Outside Width 23 1\/2 in Rough Opening Height 24 in Rough Opening Width 24 in Louver Maximum Intake 1 005 cfm Maximum Exhaust 1 444 cfm Flange Width Not Applicable Free Area 1.3 sq ft Beginning Point of Water Penetration 1 118 fpm Maximum Air Velocity 3 000 fpm Blade Angle 45 Degrees  Material Aluminum Inside Height 22 1\/2 in Inside Width 21 3\/4 in Number of Blades 4\u003c\/p\u003e","brand":"Grainger USA","offers":[{"title":"Default Title","offer_id":46670563049697,"sku":"JL3LLE","price":1437.65,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0711\/3729\/6609\/files\/5NKH7_AS01.jpg?v=1752722148","url":"https:\/\/www.industrialsource.com.au\/products\/dayton-5nkh7-combo-louver-damper-adj-23-1-2-h-alum","provider":"Industrial Source","version":"1.0","type":"link"}