Description: Our ventilation ducting cover is made of high-quality stainless steel material, sturdy and durable to use. It can be perfectly used for indoor exhausting, it is also very easy to install and disassemble, convenient to clean. It has simple design, fashionable appearance, fine workmanship and lower noise, really a practical exhaust vent for home using! Features: Made of high-quality stainless steel material, environmental-friendly, safe, sturdy and durable to use. Very easy to install, and the air volume could be controlled to meet your demand by adjusting the regulating valve of our air vent, convenient and practical. Can be perfectly used for indoor exhausting, lower noise, and it also could be used as a role of decorating. Simple design, fashionable appearance, fine workmanship and excellent quality. Can be perfectly installed on the ceiling or wall, also very easy to disassemble for conveniently cleaning. 3 sizes are available, you could choose the most suitable one according to your need. Specifications: Condition: 100% Brand New Material: Stainless steel Color: Silver Size Options: Approx. Top Diameter x Base Diameter Approx. 140 x 100mm / 5.5 x 3.9inch Approx. 165 x 125mm / 6.5 x 4.9inch Approx. 190 x 150mm / 7.5 x 5.9inch Weight: Approx. 115g-250g Package Included: 1 x Stainless Steel Air Vent