CQ-4 Rainbow Waterfall Carbon Dioxide Atmospheric Column can create a water-fall-like air wave effect. It also adds the function of colored paper, whIiCn maKes nerainbow-like waterfall very beautiful when used. With electronic control and DMX two control methods, easy to install. It is connected by four carbon dioxide cylinders andhas a jet column distance of up to 12 meters. lt is very powerful and powerful.As longas the position is fixed, it can be sprayed at any angle, which is very suitable for variouslarge venues and performances.