| 摘要 |
PROBLEM TO BE SOLVED: To provide an air outlet duct with a purifying function of indoor air. SOLUTION: The surface of air outlet ducts 2 is formed of a slender bag type fabric material 4 having air permeability while air-conditioning air, sent from an air conditioner 6, is discharged into an indoor space 7 through the fabric material 4. The fabric material 4 is provided with a gas collecting unit (not shown in a diagram) consisting of a gas adsorbing substance, such as zeolite, activated carbon, ammonium salt or the like, and when the air-conditioning air is discharged through the fabric material 4, poisonous gas, such as ammonium, formaldehyde or the like, is trapped and removed from the air-conditioning air. |
