This bi-phasic peristaltic infusion pump is used for tumescent work. It has a flow of 0 to 540 ml/minute, a pressure of 16 psi, silicone tubing, power measuring between 100 to 260 VAC input, 2 footswitch controls for the left and right sides, and it measures 8"W x 7.5"D x 3.5"H. For safety, the pressure valve is self-limiting and won't blow tubing or fittings if there is a flow blockage.