Description：Material: This air vent is made of stainless steel, durable, impact-resistant, scratch-resistant, moisture-resistant, corrosion-resistant and odorless, not only has oxidation resistance but also has a more beautiful installation effect. No screws included.Advantage: The stainless steel air vent is sturdy but lightweight, has smooth edges, simple and safe for installation. stainless steel mesh design, the air flows easily, and the small strip exhaust port can block dust, not easy to block.Wide Application: This air vent is used in offices, meeting rooms, auditoriums, music halls, bedrooms, kitchens, bathrooms, storage rooms and anywhere else air needs to move.How 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.