Impregum™ Penta™ Polyether Impression Materials – established for many years and repeatedly awarded by many independent rating institutes – have practically become a synonym for top-notch impression precision. With their unique product characteristics, Impregum materials help dentists to achieve excellent impression results. For automatic mixing and dispensing in the Pentamix™ System from 3M. Refill contains 2 base paste - 300 ml each, 2 catalyst - 60 ml each