Active carbon has the function of super strong adsorption and odor, and the active activated carbon can remove the odor of smoke, formaldehyde, ammonia, carbon monoxide, benzene and other kinds of odor in the room instanta...

Active carbon has the function of super strong adsorption and odor, and the active activated carbon can remove the odor of smoke, formaldehyde, ammonia, carbon monoxide, benzene and other kinds of odor in the room instanta...

HEPA filter generally refers to: for 0.3 mu m dust particles filtration has H11, H12, H13 and so on, efficient filter paper, folding, glue and fixed into HEPA network. HEPA network is widely used in household ...