... 6 meters Covering an area of 300 square meters EVENT effects 300W bubble machines Feature:Manufacturering by Guangzhou Guozhou Stage ... 2.5 litersFroth height 6 metersCovering an area of 300 square metersControl mode: remote control, manual matchingMaterial quality: stainless ... noise, air volume, high precision stepper motor, blow out bubble extra-large, uniform,Wide coverage, and then after plastic ...