Description of this wholesale T5 series Single phase double barrel dust extractor 2 barrels, integrated with separator for pre-filtering, “TORAY” polyester PTFE coated HEPA filter. Applies to continuous working condition, small size and large amount dust. Specially applies to the floor grinding and polishing industry. 2 barrels, pre-filter is cyclone separator, filtering more than 98% dust, make fewer dust to enter in vacuum cleaner, prolong the vacuums working time, to protect the filters in vacuum and extend the life time. Parameters of this wholesale T5 series Single phase double barrel dust extractor