HEPA Filter, Air Filter, FFU manufacturer / supplier in China, offering HVAC Filter Replacement Merv8 14X24X1 Cardboard Frame Primary Efficiency Panel Pleated Air Filter with Mesh Grid Expanded Aluminum Mesh Attached to The Surface, Exhaust HVAC Mini Pleat Gel Seal HEPA High Efficiency Particulate Air Filter, High Temperature Resistance Heat Resistant HEPA Air Filter for Paint Booth Air Filtration System Pharmaceutical Cleanroom and so on.