Heyi Purification - Primary Efficiency Air Filtration Equipment
HeyiPrimary air filterProduct Features:
1. The filter material is 100% synthetic fiber, with an average efficiency (colorimetric method) of 30% to 35%; The weighing rule is 90% -93%.
2. This filter material adheres a metal mesh to the air outlet to prevent vibration and maintain consistent folding.
3. The filter frame is made of sturdy and moisture-proof hard paper frame. It will not operate in a normal operating environment

label:Filter products