or
Agilent Tubing, Colored PTFE, 0.042 inch dia., 6 lengths of 50', for 3x3 config., for use w/ per. pump - 1 each - 58
Agilent Tubing, Colored PTFE, 0.042 inch dia., 8 lengths of 50', for 4x4 config., for use w/ per. Pump - 1 each - 58