• Rear flange made of plastic resin, colour black, resistant to ageing. • Zinc-coated steel enclosure • 3 ports for connection to extractor ducts, nominal diameter 80 mm; • 1 port for connection to exhaust duct, nominal diameter 125 mm • 2 speed AC motor with shaft turning in ball bearings, coupled to a centrifugal impeller. • Minimum air flow 200 m3/h • Maximum air flow 400 m3/h • Equipped as standard with 2 x Ø80 mm spigot incorporating flow regulators rated 30 m3/h and 1 plug. (option of additional regulators) • IMQ SAFETY and IMQ PERFORMANCE certifications