PORTABLE AIR CONDITIONER 9000-12000 btu Durable,Economical, high COP high efficiency,small ... vibration low noise level,safety PORTABLE AIR CONDITIONER 9000-12000 btuTwo water pumps design, special spraying for condensor,dranage ... .64 Dehumidifying volumeL/h11.21.4 Air flow(H/M/L)m3/h360/330/300380/340/300400/360/320 ... Noise level (H/M/L)dB(A)49/44/4050/45/4151/46/42 ...