A dust bag be setted inside the vacuum.You just pull off the old bag and throw it away and then put on a new bag. When your dirt chamber fills up, vacuum will lose suction.The price is generally more reasonable than the cyclone vacuums.But you have to continue to pay for your disposable bags.
The sucked dust and air are separated by centrifugal force,and the dust will into the collection chamber.Regular cleaning is needed to prevent collection chamber and filter from clogging.
When your dirt chamber starts to get full you just remove it and dump it in the garbage.
Robot vacuum cleaner is self-propelled by a sensor and artificial intelligence。You can clean during absence, so it's recommended to a busy person.
When there is an obstacle, it wii stop.,so it is not suitable for using in where there is a lot of things and steps.