Stainless Steel Material--The Air Vent is made of Stainless Steel, is durable, and has a strong ability to withstand gravity, not only oxidation resistance but also a more beautiful installation effect.Round Mesh Design--Stainless Steel Mesh Hole, round holes conform to the breathable design, small round holes can be dust-proof. Odor-Free Environment— Circular mesh can make the wind easily flow into the spaces where you are staying, it will giving you a fresh and life and work environment.Easy to Install— This vent does not require much effort to install, the same diameter hole can be mounted directly.Wide Range of Applications— Applicable to Cabinet, Shoe Cabinet, Decorative Cabinet and offices, meeting rooms.