Camfil Farr Air Filtration India Ltd. Offers Reverse Pulse Fabric Dust Collector. Camfil Farr Air Filtration India Ltd. Manufactures filters and clean air solutions. The Reverse Pulse Fabric Dust Collector offers high capacity and long service in a fabric filtration media. It is designed to control emissions for product recovery in process applications and can be used for nuisance dust in general. Units up to 256 bags can be shipped as factory assembles modules.