{"product_id":"ventilation-grille-with-louver-grawitac-170-170-fi-100-graphite","title":"Ventilation Grille With Louver Grawitac. 170*170 Fi 100 Graphite","description":"ventilation grille with gravitac shutter 170*170 fi 100 graphiteventilation grilles with gravity shutter are designed for ventilation outside the building - as an exhaust grille. the four lamellas that make up the gravity shutter prevent air from backflow i.e. movement opposite to the desired one. this protects the interior from external pollution. An additional use of the shutter is to reduce heat loss after installing the ventilation grille with the shutter outside.**","brand":"Air roxy","offers":[{"title":"Default Title","offer_id":53827608183131,"sku":"5903351804189","price":22.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/0219\/4369\/files\/ART_WZR_422973.jpg?v=1787120231","url":"https:\/\/www.glemoshop.com\/products\/ventilation-grille-with-louver-grawitac-170-170-fi-100-graphite","provider":"Glemo","version":"1.0","type":"link"}