According to the filtering method: dust bag type (paper bag and cloth bag), dust cup type (no dust bag), dust cup and dust bag combo, water filter type
1. Dust bag vacuum cleaner: The dust and garbage are filtered through the dust bag in the machine. On the whole, the advantage of using a dust bag as a filter is that it is easy to clean and does not need to be cleaned every day. The disadvantage is that the dust bag needs to be replaced. In foreign countries, the use of dust bag-type disposable paper bags is still more popular, because it is more convenient.
2. Dust cup filter: The dust cup filter separates garbage and gas through the high-speed rotating vacuum airflow of the motor, and then purifies the air through HEPA and other filter materials to avoid secondary pollution. The advantage is that there is no need to change the dust bag frequently; the disadvantage is that it needs to be cleaned after vacuuming. Dust cup filtration is the main filtration method of vacuum cleaners. Most vacuum cleaners are dust cup filtration. It is also an upgrade of dust bag filtration. Another advantage is that it has no consumables and avoids secondary investment of funds.
3. Combination of dust cup and dust bag: In short, the above two methods are combined into one. Environmentally friendly cloth dust bags/disposable paper bags are more suitable for new house decoration, usually used for cleaning and cleaning, after doing housework, there is no need to clean up, just throw it away. Dust cup design, no consumables for life, suitable for daily small cleaning, can be used repeatedly
4. Water filtration: Use water as a filter medium to lock dust and microorganisms in the water, and further filter, so that the exhaust gas is cleaner than the inhaled air. The water filtration effect is unquestionable. It can be used for both dry and wet purposes. It can suck conventional broken glass, nail metal, rice residue turbidity, sauce, beverage tea, leaves, decoration dust, etc., which is difficult for ordinary vacuum cleaners. The only disadvantage is that you need to drain water every time you use it, and after you use it, there is a cleaning step.
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