We offer’s Pre-Filter With synthetic non woven media / HDPE (nylon) mesh, these filters designed for 3 to 5 microns with an efficiency of more than 98 %. Close pleated design for more life and rod type design for higher strength are the usual designs available. All these filters are washable and hence reusable. Normal sizes available are with mild steel painted / stainless steel and aluminum / g. I, casings these can be supplied in box design or flange type as per the fixing needs. These micro fine filters are made to confirm the international standards ashrae.