These filters have been specifically designed to meet the requirements of clean air in general ventilating and air-conditioning systems in Hospitals, Computer installations, also in Nuclear, Pharmaceutical, Petro-Chemical, Fertilizers, Synthetic fiber industries and Compressor applications. The heart of the filter is a reinforced washable synthetic non-woven filter media/fiber glass. Fiber media pleated in accordation format along –with a backing of wire/HDPE netting. The mediums are carefully selected to offer the best possible performance to suit specific needs. In order to obtain uniformity of dust loading, the filter plates are kept apart by means of aluminium separators. The complete filter pack is sealed into rigid cassette of mild steel or aluminium. Filter is offered in a three piece construction namely element cassette, outer casing and front grill. For replacement, only the cassette element needs to be changed. The micronic fine filter has a filtration efficiency upto 90.0%, particle retention >5.0 micron and can operate upto 120ºC and 100% relative humidity. Before use, the filters are tested in accordance with the specification of BS 2831 Standards.