Greenwood Centrifugal Surface Mounted Low Voltage Bathroom Fan With Timer, Humidistat & Pullcord - SF90SVIHT over-100 powder coated steel D-Rings and

powder coated steel D-Rings and industrial strength double nylon stitching

In most cases the replacement air comes in under the door of the room

When installing this fan you need to select which of the two speeds you want it to operate at if not using the three way switch above

recessed centrifugal fan

Greenwood Centrifugal Surface Mounted Low Voltage Bathroom Fan With Timer, Humidistat & Pullcord - SF90SVIHT over-100 powder coated steel D-Rings andThe SF90SVIHT is a Low voltage surface mounted centrifugal fan with humidistat and run on timer. Humidstat fans have a sensor in them. This detects moisture in the air. When a set humidity point is reached the fan will switch on. There are two types of sensor Traditional and Digital Intelligent. Traditional. Work by having a fixed humidity level which, when reached, the fan activates. Traditional humidistats work well but as natural levels of humidity