• Material: UV resistant plastic (prevents ageing caused by exposure to sunlight). • Nominal diameter: 100 mm • Motor with thermal overload protection and shaft turning in ball bearings. • Maximum air flow 70 m3/h • Electronic pcb with humidistat function piloted by RH sensor (4 preset thresholds: 60%, 70%, 80%, 90%, selectable during installation), designed to switch on the fan automatically. The pcb incorporates an electronic timer that shuts off the motor automatically when relative humidity returns below the threshold value. The timer setting is selectable during installation in the range 3’-20’ (default setting 3’). • Non-return damper fitted to outlet port. • IMQ SAFETY and IMQ PERFORMANCE certifications • Vortice speed controller.