Uxcell 8x12" Gable Vent Cover, Aluminum Alloy Rectangular Floor Air Vent Covers Metal Soffit Return Grille with Screen Mesh and Screw 4 Pcs

Color: White Material: Aluminum Alloy Total Size: 200 x 300 mm / 7.87 x 11.81 Inch Mounting Hole Diameter: 95 mm / 3.74 Inch;145 mm / 5.71 Inch Packing List: 4 Pcs x Rectangle Air Vent Cover (Screws and Expansion Tube Included) Advantages: Excellent corrosion resistance Application: Used for exterior wall ventilation