Factory central dust collector Control terminal for terrazzo floor grinder Product Description Hanging or wall mounted multifuntion service unit for extracting dry sanding dust and supplying electracal energy and compressed air. Available in dual (TSC) ectractioncoupling versions. Complete with electral socks and quick compressed air couplings that can be set up depending on woring requirements. Features: 1. Comes with power outlet and duplex strainer that allow two people working at the same time. 2. Especially suitable for work place that needs space saving and efficiency improvement. Factory central dust collector Control terminal for terrazzo floor grinder