Buy peristaltic pumps online – only from Häberle LABORTECHNIK GmbH & Co.KG. Peristaltic pumps are movable pumps. They operate according to the peristaltic principle. Peristalsis is a biological term that describes the muscular activity that transports food through the digestive tract. Peristaltic pumps have the advantage that only the tubing comes into contact with the liquid. This prevents contamination of the liquid by the pump and vice versa. Learn more about them on our website.