The adjustable plastic cooling tube is a modular structure in the true sense. Not only can the number of sections be increased or decreased as needed, but also the switch can be installed between the sections as needed, and there are different connections and outlets. There is also a three-way three-way, engineering plastic cooling tube material is nylon 66, the water nozzle type has a round mouth, a flat mouth and a large diameter round mouth type, the screw buckle and the screw outer screw, is according to customer requirements.