Catalyst peristaltic pumps, by Masterflex, will get you pumping quickly and efficiently. These integrated pump and drive systems come fully-assembled reducing set-up time. The pump head accepts multiple tubing sizes for a broad flow range. Integral pump head allows rapid tubing changes in less than 30 seconds! Tubing occlusion is automatic when the pump head is closed. For contamination-free pumping, browse our complete selection of Catalyst peristaltic pumps from low-flow to single- and dual-channel compact pumps to digital multiple-channel pumps and large selection of tubing (sold separately). We are a Catalyst authorized distributor.