{"product_id":"ventilateur-dentretoit-opti-a412-reglable-a-4-ailettes-pour-toit-incline-brun-3180617","title":"OPTI-A412 Adjustable 4 Wings Roof Attic Ventilator for Sloped Roof, Brown","description":"• The OPTI-A412 roof attic vent for sloped roofs \u003cbr\u003e• The design with 4 12” wings and its openings allow optimal attict ventilation\u003cbr\u003e• Openings shaped from the structure of the vent eliminate any need for long-term maintenance and prevent the intrusion of birds or rodents inward\u003cbr\u003e• The anti-gust deflectors prevent the infiltration of weather regardless of the wind direction\u003cbr\u003e• This vent gives the advantage of a cooler attic in summer and drier in winter\u003cbr\u003e• It thus extends the integrity of the structure optimizing the comfort inside and the energy saving\u003cbr\u003e• The static vent with the help of the wind produces a chimney effect\u003cbr\u003e• The air is exchanged continuously\u003cbr\u003e• It exchanges air from the attic at a frequency of 418 cubic feet  \/min, for a surface area of 1,000 to 1,200 sq ft\u003cbr\u003e• Facilitates the evacuation of heat and condensation\u003cbr\u003e• Preserves the integrity of attic materials\u003cbr\u003e• Easy to adjustment on a slope from 2\/12 to 18\/12\u003cbr\u003e• Easy to install by only one person\u003cbr\u003e• Anti-gust deflector\u003cbr\u003e• No maintenance and noise free\u003cbr\u003e• Screws included\u003cbr\u003e• Color: brown","brand":"OPTIMUM","offers":[{"title":"Default Title","offer_id":42498657648675,"sku":"3180617","price":128.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/5315\/8947\/files\/7991422a2d925dc1efa89af610a25b39bd8b70d1_3180617_001.jpg?v=1781118997","url":"https:\/\/matletourneau.com\/en\/products\/opti-a412-adjustable-4-wings-roof-attic-ventilator-for-sloped-roof-brown-3180617","provider":"Matériaux Létourneau","version":"1.0","type":"link"}