Economy Airvent 100mm Fan with Timer/Humidistat/Pullcord

Airvent 100mm 4" Fan with Timer and Humidistat and Pullcord.
(With Pullcord which is removable)
Ideal for installation in bathrooms and toilets.
Extraction rate: 85m3 per hour.
Integral adjustable electronic timer (1-20mins).
Electro-mechanical humidity control with on/off switch.
Maximum pressure: 20 P.
Maximum operating temperature of 40°C.
Sound volume: 41.0dB(A).
Wall or ceiling mountable.
Please note this is a pullcord overide fan and does not connect to a switched live (light circuit) to activate, humidity and the pull cord activat