I would like to know the air filter and vacuum cleaner industry. Please tell me who is the most famous periodical in China
The landlord, at this stage, as long as the regular manufacturers have brought a cleaner HEPA, such as Electrolux, Matsushita, LG, cleaning agents do not buy copycat, such as vacuum cleaners and other dogs, poor filtration effect, fine dust from the impact of health hospital.
In fact, it does not matter, as long as the last layer is 12 or more, in normal use, there is no problem.
HEPA (HEPA filter) is divided into several levels: 10, 12, 13, which is the highest level, now most manufacturers use 12, and some plants home 10 and 12 together.
I am engaged in cleaning here, to introduce you to a simple conversation R & d:
