We have different modles.
1.With patented cyclone technology, above 92% of dust separated by the first filter, the remaining dust continue to the second filter, so it can ease the burden of second filter.
2. With high efficiency second filter cleaning technology, can maintain the continuous using of vacuum cleaner in constant high air flow, to keep the efficiency of dust absorption.
3. With automatic lifting and lowering design could save a lot of transport space.
4. With unique muffler technology can make working environment more comfortable.
5. Equipped with pressure sensor, it will give you an alarm when the filters or vacuum pipes got blocked.
More details please send me inquiry.