4/6/8" Exhaust Fan Metal Iron Ventilation Extractor,Silence with Anti-backflow Check Valve Window&Wall Mount Vent Fans for Home

METAL OUTER FRAME: It adopts electrostatic painting technology with exllent wear resistan and high-quality copper enameled wire, which can be used for a long time. It is suitable for plas that require ventilation, such as kitchens, offis, shops, living rooms, bathrooms and windows where the air circulation is not smooth or the air is not clean.
OVERHEAT PROTECTION AND EASY INSTALLATION: Adopting an axial pipe fan that realizes optimal cooling and a sealed pure copper bearing motor, it generates less heat, can adapt to temperature changes from -25 degrees to 90 degrees, and has a longer operating time. The built-in overheat protection devi cuts the contact when the motor overheats, and plays the role of power failure protection and double protection.
FULLY AUTOMATIC CHECK V: Fully automatic valve, which can automatically open and close with the operation of the exhaust fan. This exhaust fan also can be used to prevent dust, leaves, pollen, and backflow with the wind-proof.
Specification
Type: Exhaust Fan
Material: Iron plastic shell + stainless steel protective cover
Color: White/Black
Voltage: 220V
Size:
4 Inch Fan specification:
Cylinder diameter: 3.7” (95mm)
Panel size: 5.2” x 5.2” (133*133mm)
Installation hole distan: 4.4” x 4.4” (113x113mm)
Height: 2.4” (60mm)
Power: 25W
Noise: 40db
Air volume: 200m3/h
Speed: 2800 (r/min)
Application area: 5-10㎡
6 Inch Fan Specification:
Cylinder diameter: 5.9” (150mm)
Panel size: 7.6” x 7.6” (192*192mm)
Installation hole distan: 6.4” x 6.4” (162x162mm)
Height: 5.7” (145mm)
Power: 40W
Air volume: 780m3/h
Speed: 2800 (r/min)
Application area: 15-30㎡
8 Inch Fan Specification:
Cylinder diameter: 7.7” (195mm)
Panel size: 9.8” x 9.8” (250*250mm)
Height: 5.7” (145mm)
Installation hole distan: 8.4” x 8.4” (213x213mm)
Power: 60W
Air volume: 1080m3/h
Application area: 40-55㎡
Working Temperature: -20 ℃ to 95 ℃