... automatic production lines and more than 500 skilled workers. portable air purifier- Easy to operating- Silent, It has long ... 25, 30mins- Gas Resource: Ambient Air- Applicative Range: Water or Air Application (1) Air Purification Application Time Function and Effects ... room10minRemoves odor, tobacco smoke and particles in the air.Kitchen10minRemoves food preparation and cooking,(Onions,garlic,fish ...