NDD570 DustCare Dry Vacuum Cleaner - NumaticNDD570 Advanced Filtration Twin Motor Vacuum Cleaner Numatic The NDD 570 is designed specifically for use in the building trade, especially those situations where machinery produces large volumes of very fine dust. When using tools such as single and twin disc wall chasers large quantities of dust is produced, the NDD570 connects to the tools hood and consumes the dust. Utilising AirFlo and MicroFlo technology, the DustCare range of vacuums are ideal