High quality material: Our weather guard is made of high quality stainless steel, given thickness and weight, strong and durable, not easy to deform, beautiful surface polished, stainless, suitable for interior and exterior. Dimensions and weight: total diameter: 140 mm, total height: 40 mm, diameter of the fixing ring part: 98 mm, A single weight corresponds to approximately: 92 grams. Double protection: the front slats are inclined like a roof to prevent rain and snow from falling (when mounted vertically on the wall) and stable to keep out mice, birds and other animals large to enter the nest of the tip. Inside is also a relatively dense stainless steel mesh that can prevent some small mosquitoes, insects, etc. from entering. to enter. Loop attachment and double screw fixing: On the surface of the weather protection grille there are three fixing buckles that can be easily adjusted and fixed more securely. And the plane is fixed by two screws, it does not move. Wide range of applications: our double-fixed weather protection grille is suitable for constructions made of different materials (wood, glass, bricks , cement, etc.). It can help better ventilate your kitchen, garage, bathroom, bedroom, cellar, etc. while preventing rats, snakes, mosquitoes, etc. Size: Outer diameter: 140 mm Height: 40 mm Diameter of the fixed part of the ring: 98 mm Single weight approx. : 92 grams Scope of delivery: 1 piece of stainless steel ventilation 100 mm Quantity delivered: 1 piece Product color: silver Product size: diameter 140mm Note: Manual measurement, please allow 1-3cm error. ladaceae