| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a pre-filter which, when compared with a prefilter having a conventional filter frame, has a simple structure, is lightweight, and has high rigidity, high air-tightness, and high durability; and an air conditioner having the pre-filter. <P>SOLUTION: The pre-filter is composed of a pre-filter supporting frame which is fabricated by arranging and fixing a plurality of axis members in a separated state between two flat boards facing each other and a lengthy filter material for a pre-filter which is attached zig-zag in a tense state via the axis members. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
