... -242B:2 products, 4 nozzles, 4 displays, 2 motors, 2 pumps, 2 flow meters DJY-242B:2 products, 4 nozzles, 4 displays, 2 motors, 2 pumps, 2 flow ... meters(when two nozzles works,the other two cannot work at the same time) Remark:1 ... customized Feature: 1.Adopting combination pump or separate pump, smaller shape and convenient maintenance.2.Adopting painting ...