★Made of high quality stainless steel, anti-rust and corrosion resistant, which can ensure a long service life ★The stainless air vent hole has a honeycomb design, the exquisite round holes conform to the breathable design, dustproof, windproof, and not easy to block ★Easy to install and the same diameter hole can be mounted directly,simple and quick ★Can make the wind easily flow into the spaces where you are staying ★Perfect to use on cabinets, shoe cabinets, offices, conference rooms, concert halls or other places, Manufacturer: SENRISE