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Generally, small ventilation fans should have an opening diameter of 100 mm - mainly to see the diameter or size of the wall installed.
The size, the material is not the same, the price is not the same, more than 30-100 yuan in a treasure, mainly depending on the product materials, the ball bearing pure copper wire motor ventilation fan is better, very durable and maintenance-free, the bathroom must need a ventilation fan to ensure air circulation, otherwise it is easy to breed bacteria.
Ventilation fan is an indispensable equipment in the home, especially in a relatively closed space such as the bathroom, the installation of bathroom ventilation fan can ensure air circulation, to avoid a series of problems caused by air replacement, so how to install a bathroom ventilation fan? Let's introduce it to you! >>>More
In home life, the bathroom is a relatively closed place, and the air is humid and cannot be ventilated, so it is a good way to install a ventilation fan in the bathroom. Ventilation fans can effectively remove odors and keep the air flowing in the bathroom. But first of all, it must be installed correctly. >>>More
Bathroom exhaust fan size one.
There are many styles of exhaust fans in the bathroom, and there are many sizes, the general bathroom exhaust fan is the same as the most common oil extraction fan, and the bathroom without windows will almost install such an exhaust fan, and the specifications of the exhaust fan are open size; Frame size, which is the specification of most ordinary exhaust fans. >>>More
There is electricity in the switch control line, and there is also electricity in the neutral line, maybe there is a problem in this place. >>>More