| 摘要 |
PURPOSE:To prevent on fire of an active carbon filter, even though spark are sucked thereinto. CONSTITUTION:This air purifier houses a filter member 3 integrally composed of a deodorizing filter 1 and a dust removing filter 2 having self-extingushing performance in a case 4. A prevention means 5 for preventing reverse setting by which the setting is not an obstacle when the filter member 3 is put into the case 4 in the state that the dust removing filter having self-extingushing performance is faced to the sucking side, but by which the setting becomes impossible when it is put into the case 4 in the state that the dust removing filter 2 is not faced to the sucking side, is provided. |
