Ventilation grilles are used to close the ventilation ducts. All grilles in this series are fitted with mesh to prevent the home from large dust pieces or unwanted creatures from entering. Ecopro Vent Grilles is a series of grilles with round connections, made of ABS plastic. The material used in the production of these grilles is characterised by increased resistance to external factors like rain, frost, and UV radiation, which exacerbate product ageing.Black 5" Inch ventilation grille - inside/outside use - (Flange 4.9"Ø / Cover 6.7"x6.7") - Air vent louver - Exhaust hood - Available 3 Sizes / 4 Colors. Duct flange outside dimensions: Ø 4.9 inch / Vent grille cover dimensions: 6.7 x 6.7 inch Soffit grille color: Black / Insect mesh: Yes / Louvre design Quick and easy to assemble - DIY - you can fix the vent cover in place with clamp, caulk or screws. / Screws are included. Perfect for Heating, cooling or air conditioning - HVAC, bathroom and kitchen air exhaust. can be used as door or shed vents. high UV-resistance that will keep the vent looking fresh for longer. Heat-resistant from: 5 °F to 160 °F. Each product goes through strict quality control and is well tested to ensure customer satisfaction and to serve for many years to come. MANUFACTURED IN EU