PROBLEM TO BE SOLVED: To provide an easily manufacturable and assembleable air diffuser.SOLUTION: There is provided an air diffuser in which air diffusing units 50, 60, 70, 80, which are air-permeable connection means, are connected in combination of serial and parallel combinations, and the connection means are connected to an air supply line 200 connected to air supply means including an air supply source.SELECTED DRAWING: Figure 4【課題】製造および組み立てが簡単な散気装置の提供。【解決手段】散気ユニット50、60、70、80が通気可能な連結手段で、直列と並列の組み合わせになるように接続されており、前記連結手段が、空気の供給源を含む空気供給手段に接続された空気供給ライン200と接続されている散気装置。【選択図】図4