(1). Home air cleaner (2). HEPA ,filter and UV (3). No ... and MOQ is no problem, but if design for package must be 500units order at least.8. ... harmful volatile organic compounds inside the car , such as formaldehyde, ammonia, benzene, TVOC, etc., deodorize unpleasant smells of ... it can produce both positive ions and negative ions, Eliminate dust and static electricity in air, purify polluted substance ...