... -320 g/m2 3.Thickness,5-25mm Supply Air Conditioning Filter Media , Synthetic FIber Features1.Using polyester, polyamide, nylon, etc ... side to effectively prevent deformation of the separator under high-speed airflow ApplicationApply to electronic, pharmaceutical, food and other industries ... of fresh air, pre-filtering prior to medium-efficiency filter, as well as filtration of return air in central ...