WP-1S bubble fog machine is the first bubble blaster from DJPOWER. It comes with patented Jet-design which makes lot of vivid bubbles filled with fog with less fog outside. The excess bubble fluid will flow to waste storage bin instead of dropping on the ground. To protect bubble fluid from getting bad and ensure high quality bubbles, bubble fluid is well stored in the tank. With this feature, the unit can also be mounted high in the truss, launching bubbles all over the sky. No matter for shows , concerts ,parties and events , this unit will be pretty good choice.