Blauberg CALM100HBLK Calm Extractor Fan 100mm Black – Humidity
This CALM 100 H fan is fitted with a built-in humidity sensor & run-on timer. Two small knobs are mounted inside the fan and can be used to adjust the run on time from 2 to 30 minutes and the relative humidity level. The electrical supply is normally provided from your household lighting circuit and the fan will require a live, switched live & neutral connections.
