Many people have a vacuum cleaner and they use it at least once a week, but they don't know how often they change their bags.Ideally, they would turn to the vacuum cleaner manual, but most people would lose or throw them away before they needed them.

When dusty air enters the vent, it passes first through the bag of the vacuum cleaner.The bags are made of a porous woven material (usually paper or cloth) that ACTS as an air filter.

When the house have been cleaned,everyone will be satisfied when they have created a clean, healthy environment. And we want to know if we have successfully removed the air and carpets of all the dust, pollen, bacteria, and other particulates that plague most homes. Enter the high-efficiency particu