[Round Soffit Vent] Made of PP plastic, durable, impact-resistant, scratch-resistant, moisture-resistant, corrosion-resistant, nontoxic, and odorless, not only has oxidation resistance but also has a more beautiful installation effect [Block Dust Not Easy to Block] Sturdy but lightweight, has smooth edges, is simpler and safer for installation. PP plastic mesh design, the air flows easily, and the small strip exhaust port can block dust, but not easily block [Easy to Install] It is recommended to wear gloves during installation when installing push the cover into the mounting hole, it will snap firmly and not easily loosen [Wide Application] Used in offices, meeting rooms, auditoriums, music halls, bedrooms, kitchens, bathrooms, storage rooms, and anywhere else air needs to move [Note] Before purchasing these round vent covers, carefully measure the diameter of the mounting hole. If the mounting hole is too large or too small, the installation of these round soffit vents will fail Outside Diameter: 85.5mm / 3.37" Bottom Diameter: 80mm / 3.15" Mounting Height: 10mm / 0.39" Color: White Material: PP Plastic 6Pcs of Round Soffit Vents