Xpelair extractor fan 4 inch simply silent contour timer bathroom fan square ip44 e59345
4 inch simply silent contour timer bathroom fan square ip44 simply silent contour c4ts square baffle fascia 4 100mm extract fan with integral over run timer featuring ghost air movement technology for near silent running for use with an external switch or sensor is typically connected to the room lighting circuit fan continues to work after the fan is switched off the timer is adjustable at installation