4/6/8Inch Extractor Ventilation Fan High Speed Air Vent Window Wall Fan Energy-saving Wall Mounted Vent Fans Anti-Mosquito Design Durable Kitchen Bathroom Chicken/Duck Coop Feature: 1. Durable, Energy-efficient, and Efficient:The natural copper motor of this extractor ventilation fan guarantees distinctive durability, calories efficiency, and immoderate performance. With its physically powerful construction, the motor delivers reliable and long-lasting operation, saving energy while providing powerful airflow. 2. Boosted Impeller Fan Blade for High-Speed Operation:The specially designed boosted impeller fan blade of exhaust air blower maintains its form even at high speeds, making certain constant and efficient airflow. This operate ensures optimal cooling performance without any distortion or decline in effectiveness. 3. Premium ABS Fire-resistant Material for Durability:Crafted from fantastic ABS fire-resistant material, this exhaust fan is constructed to face up to day by day put on and tear. The customized thickened panel complements the final durability and durability of the fan, making it immune to affect and guaranteeing a protracted lifespan. 4. Anti-Mosquito Design with Check Valve:Equipped with a investigate valve design, this air vent window wall fan acts as an efficient barrier opposed to mosquitoes and other insects. The examine valve mechanically opens and closes with the wind, preventing undesirable pests from entering into your living space. Enjoy a comfortable and mosquito-free environment all day long. 5. Energy-saving, Compact, and Portable:This wall exhaust fan is designed with energy performance in mind, making certain optimum airflow whereas drinking minimum power. Its compact and lightweight design makes it convenient to apply in numerous settings. Whether you would like ventilation on your office, bedroom, or open air activities, this fan provides clear portability and efficient airflow to maintain you cool and comfortable. Specification: Certification: NONE Origin: Mainland China Product main material: PC, ABS Product Size: four in: 150x150x80mm/5 (hole diameter: 100mm) 6 in: 200x200x80mm/7 (hole diameter: 150mm) 8 in: 250x250x80mm/9 (hole diameter: 180mm) Style: window exhaust fan Scope of application: kitchen, bathroom, greenhouse planting shed, white meat home and duck house, farm, doggy house, storage room, etc. Note: Due to the various computer screen and lightweight effect, the particular coloration of the article is maybe slightly assorted from the colour confirmed at the pictures. Thank you! Please enable 1-2cm measuring deviation due to handbook measurement. 1 xExtractor Ventilation Fan