HEPA Filter, Air Filter, FFU manufacturer / supplier in China, offering (H13 H14 U15) HEPA/ULPA Fan Filter Unit (FFU) Filter with Brushless DC Permanent Magnet Motor, Merv 14 90-95% Synthetic Fiber Pocket Air Filter Bag Filter Yellow Color, HVAC Ceiling Mounted Terminal Clean Room HEPA Filter Box Air Supply Outlet for Hospital Industry Cleanroom Project and so on.