3M™ Impregum™ Penta™ soft quick cartridge for Pentamix™ 3 P3775. Features: - Designed for automated mixing in the 3M™ Pentamix™ 3 automatic mixing unit, the 3M™ Impregum™ Penta™ soft cartridge for Pentamix™ 3 is a reusable metal cartridge to be filled with 3M™ Impregum™ Penta™ soft dental impression materials, helping you get a consistent, homogeneous, and void-free mix each time. - Supports consistent, homogeneous and void-free mixing at the touch of a button. - Compatible with 3M™ Pentamix™ 3 mixing unit. - Reusable, metal-reinforced cartridge. - Helps get an accurate impression on the first take, so you can avoid needing costly adjustments, remakes, and retakes.