Air clean filter, hybrid air clean filter and air purifier

摘要

And achieves high efficiency, low pressure loss, and long service life in a filter medium or the like that collects airborne particulates in the air to clean the air. A filter medium for purifying air contained in an air purifying filter in an air cleaner is made of a resin fiber having an average fiber diameter of 3.6 μm or more and 16.5 μm or less and a ratio of weight per unit area to average fiber diameter is 10 × 10 ⁶ g / m ³ and 20 x 10 ⁶ g / m ³