Description

All of air purifiers used in many households and offices have built-in filters to keep the indoor air clean all the time. These filters composed of filter media enabling to filter out fine particles, dust and bacteria from the air. By utilizing filter media which is called hepa-filter or ultra-filter, it removes not only fine dust but also 0.3 micron of particles, as well as more stable filtration efficiency. However, it has an unavoidable part that customers must bear the additional cost of filters because of the cycle of its frequent replacement than that of existing ones.