Ceiling Diffuser Exhaust Supply Valve Air Vent Anemostat Ventilation Ducting Hose Cover (75mm) Description: Our ventilation ducting cover is made of high-quality ABS material, sturdy and durable e. It can be perfectly used for indoor exhausting, it is also very easy to install and disassemble, simple 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 ABS material, environmental-friendly, safe, sturdy and durable e. Can be Perfectly used for indoor exhausting, lower noise, and it also could be used as a role of decorating. Very easy to install with the installed casing, and the cover could be adjusted according to your demand. 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. 4 sizes are available, you could choose the most suitable one according to your demand. Specifications: Condition: Material: ABS Color: White Size Options: Diameter 1: Approx. 75mm / 2.95inch Diameter 2: Approx. 100mm / 3.93inch Diameter 3: Approx. 150mm / 5.9inch Diameter 4: Approx. 200mm / 7.87inch Weight: Approx. 102g-344g Package Included: 1 x  Ventilation Ducting Cover Note:The product cannot be used under hot air and high temperature, and the plastic fan blade will deform when it reaches the melting point.