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 pure copper motor of this extractor air flow fan ensures exceptional durability, calories efficiency, and immoderate performance. With its robust construction, the motor delivers dependable and long-lasting operation, saving energy whereas 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 shape even at excessive speeds, ensuring constant and effective airflow. This function guarantees optimum cooling performance without any distortion or decline in effectiveness. 3. Premium ABS Fire-resistant Material for Durability:Crafted from wonderful ABS fire-resistant material, this exhaust fan is constructed to withstand day by day put on and tear. The customized thickened panel complements the final durability and durability of the fan, making it resistant to affect and making certain a protracted lifespan. 4. Anti-Mosquito Design with Check Valve:Equipped with a verify valve design, this air vent window wall fan acts as an effective barrier against mosquitoes and diverse insects. The examine valve automatically opens and closes with the wind, preventing undesirable pests from entering into your living space. Enjoy a comfortable and mosquito-free surroundings all day long. 5. Energy-saving, Compact, and Portable:This wall exhaust fan is designed with calories functionality in mind, ensuring optimum airflow while ingesting minimum power. Its compact and light-weight design makes it convenient to apply in diversified settings. Whether you need ventilation on your office, bedroom, or outside activities, this fan gives smooth portability and wonderful airflow to preserve 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) eight in: 250x250x80mm/9 (hole diameter: 180mm) Style: window exhaust fan Scope of application: kitchen, bathroom, greenhouse planting shed, chicken residence and duck house, farm, puppy house, garage room, etc. Note: Due to the different visual display unit and lightweight effect, the actual coloration of the article is maybe slightly various from the color proven at the pictures. Thank you! Please enable 1-2cm measuring deviation thanks to guide measurement. 1 x Extractor Ventilation Fan