Supply Air Conditioning Filter Media , Synthetic FIber 1.White color 2.Gram Weight 180-320 ... g/m2 3.Thickness,5-25mm Supply Air Conditioning Filter Media , Synthetic FIber Features1.Using polyester, polyamide, nylon, etc. chemical synthetic ... conformation of the increase in density by nonwoven process, it has a property of high permeability, low initial resistance and high ...