Marine Sources Dosing Pump DSP-2 Feature: 1 DSP-2 can connect to the DSP-1 to extend to 7 channels. 2 The DSP-1 can connect to 2 X DSP-2 model to extended up to 11 channel. 3 DSP-2 can not operate separately, it must connect to the master model DSP-1 to operate. 4 Made with high quality materials. long lasting and durable.
DSP-2 Size: 230 / 130 / 75 MM DSP--2 is a extension of DSP-1 that it must be operated by coneecting to DSP-1 master model, please see below instruction
