1.Exhaust fan, fume cupboard,fume hood, exhaust ventilator 2. Extract indoor contaminated air 3.Air volume:1000~35300CFM PWP Series Exhaust FanThe PWP series products can be used to exhaust indoor stale, contaminated air, especially suitable for kitchens, warehouses and other easy-polluted rooms. The range of air volume is 1000~35300CFM. PWP Series Exhaust Fan