539 DLS Compressed Air Vacuum for unlimited start / stops per hour DLS Compressed Air Vacuum for unlimited start / stops per hour
381 Central Vacuum clleaningsystem with 40 suction points Central Vacuum clleaningsystem with 40 suction points
424 DS 6 Pocket Filter Dust Extractor for intermittend duty DS 6 Pocket Filter Dust Extractor for intermittend duty
502 DS 6 Cartridge Filter Dust Extractor for continous duty and automatic filter cleaning DS 6 Cartridge Filter Dust Extractor for continous duty and automatic filter cleaning