... Product IntroductionThis product can be installed by YZ1515x,YZ2515x,DG-1 and DG-2 four kinds of pump heads, with flow rate ... tube and materialFunctions and features1.applicable pump heads: YZ1515x,YZ2515x,DG-1 ,DG-22.two ways of changing flow speeds: by hand ... channelDG-N(10 rollers)2×1,2.4×0.80.005~20 per channel High-precision Tubing Pump BT300M ...