Diameter: 100mm / 4" Efficient Bathroom Extractor Fan with Humidistat : Ideal for use as a bathroom fan extractor or kitchen extractor fan. High-Quality Plastic, reliable axial fan, front panel. The humidistat extractor fan is equipped with a humidity level regulator with which you can set the humidity level. Extractor fan bathroom timer is included The device is equipped with a timer. After turning off the kitchen fan and bathroom fan with timer, the timer ensures its operation for a certain period of time. Protection Against Environmental Factors: bathroom ventilation fan is resistant to water splashes and suitable for humid environments. This bathroom ventilator maintains high performance under challenging conditions. Superior Insulation: small extractor fan fan ensures superior protection and reliability, making this Exhaust fan a safe choice. Perfect use in bathrooms, kitchens, other indoor areas. Made in Europe.