Fan Filter Unit, Deep Pleated HEPA Filter, HEPA Filter for Air Purifier manufacturer / supplier in China, offering ABS Plastic Frame H11-U15 V Bank HEPA Air Filter for Semiconductor, High Efficiency H11-U17 Gel Type Pleated HEPA Filter for Semiconductor, H13 H14 High Temperature 250º C HEPA Air Filter for Semiconductor Biopharmaceutical Hospital and so on.