The S-Series Laboratory Pump is designed for small spaces and small budgets.   This pump is ideal for filling sample loops, where high precision is not required. 

Channels:  2
Rollers: 4
Voltage: 12-15 AC/DC (power supply included)
Direction: CW / CCW 
Measures (LxHxW):  105x105x185 mm
Weight: 2.1 kg
Flowrate 0.01 - 36.5 ml/min/channel (function of RPM and tube diameter)
Pressure 25 psi