Below we have compiled a small list with Envirovent Silent Ventilation Fans with a timer module incorporated. You may want the fan to operate a little after you turn on the light, or when the humidity reaches a certain level - the timer module is a must!
EnviroVent Silent 100 Bathroom Fan with Timer
EnviroVent Profile 100 Axial Fan with Timer
The Envirovent PRO100T is the low profile axial fan with adjustable timer, ideal for use in the kitchen and bathroom - Profile 100 with Timer.
EnviroVent Silent Design Fan with Humidity Timer
The Envirovent SILD1HTS is a 100mm fan part of the Design Silent 100 range, coming with a humidity timer - ideal as a bathroom ventilation fan.