| 摘要 |
PROBLEM TO BE SOLVED: To provide a sock filter, always having excellent appearance whether an air conditioner is used or stopped, and incombustible to hardly limit a use range. SOLUTION: This sock filter 1 includes a cylindrical flexible filter body 10, one end of which is closed, the other end being provided with an opening part; and an incombustible shape holding member 20 covering the substantially outer or inner surface of the flexible filter body 10 and having air permeability. The incombustible shape holding member 20 has rigidity so that it is not deformed due to wind pressure of an air conditioner. COPYRIGHT: (C)2009,JPO&INPIT |
