GlobeCore transformer oil purification, regeneration and filtration plants. Transformer oil treatment plants. This brochure features latest high voltage maintenance equipment from GlobeCore. Transformer Oil Purification and Filtration Plants CMM 0.16, CMM 0.6, CMM 2.2, CMM 4.0. GlobeCore High Vacuum degasifiers, Double Stage Vacuum Oil Filtration Plants CMM 1, CMM 3, CMM 4, CMM 6, CMM 10. GlobeCore Air dryer and Vacuum Blocks, Fullers Earth Cartridges and Oil Heaters.