Air conditioning and ventilation technology Filters Filters Extracted Air (prefiltration and fine filtration) Supply Air (prefiltration and fine filtration) Cooling device Offices, Computer rooms, Hotels, Fair halls, Machine rooms and Production areas etc. Filtermats Pads and Rolls Panel Filters, Grease Collectors, Fan Coil Filters Filter Bags (Pocket Filters) Cassette Filters, Compact Filters