Flexit 121046 is a Classic Eco bathroom extract fan with on/off switching in a black surface-mounted plastic housing sized for a Ø100 mm duct. Rated IP45, it suits wet-room installation and is fitted directly to the wall or ceiling penetration. The compact 158 x 158 mm footprint is intended for residential bathrooms, laundry rooms and comparable wet spaces. Typical use is basic extract ventilation controlled from a light switch or pull cord.