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