There is an exhaust fan in the bathroom, why do you need to install a negative pressure exhaust fan?

A hole must be made in the wall.

Connect the exhaust ducts well. >>>More

Bathroom exhaust fans not only have different brands, but also have different appearance designs, some exhaust fan design is very intimate, not only has a professional check valve closure design, can effectively place the outside air and mosquitoes to enter, the internal centrifugal wheel design is ingenious, not only large air volume, low noise, and high efficiency. Different brands of exhaust fans have different quality panels and different effects of impellers and frames, which can be selected according to your needs. If you want to know which bathroom exhaust fan brand is easy to use, it is best to choose according to your preferences and the effect of use. >>>More

There is no fire exhaust fan in the bathroom, this is an ordinary exhaust fan. It is possible to do it according to the requirements of the design drawings.

This specification is not common, most of them are 30*30, or 60*60.

Hongguan duct fan 150 bathroom silent ventilation kitchen fume booster exhaust fan powerful exhaust fan 6 inches, this performance is better, my friend's family again. The quality is also good, and the silence is good. I hope to adopt a parent!