NovaAir anti-smog filter for wall vents.
BP2-1-300, BP3-1-300 Switch
It is used to switch on/off and change the speed of fans which are based on multi-speed motors.
It is used to switch on/off and change the speed of fans based on multi-speed motors. The switch housing is made of plastic. It is possible to switch the fan speeds directly , as well as to switch on and control the fan together with the room lighting.

