Silent Exhaust Fan Wall Mounted Strong Power Air Extractor for Ceiling 4" inch Air Flow Pipe Blower Window Ventilation with LED Indicator for Bathroom Living Room, Grow House, Kitchen, Garage, Basement, Home Grid Panel White Extractor Duct

Duct Fan Protect Your Health
Current people may stay where there is no air and breathe turbid air, resulting in irritability, depression, and serious illness. Like humans, animals, plants and architecture have such problems. That's why it's very important to choose the right ventilation fan.

Applicable Place:
This duct ventilation fan with high static pressure, large air flow, low noise design suitable for work places, gymnasiums, factory offices, machine rooms, conference rooms, luxury office buildings, public places, hotels, houses, hospitals, sports gyms, etc.

• Specially designed fan blades wall fan.
• Durable, build-in copper motor with thermal protection, can work continuously without maintenance wall mount fans.
• Effective, extremely quiet ventilation clears humidity and odors quickly household fans.
• Frame and are made of superior and durable ABS material household window fans.
• Easy installation wall extractor fan.