Cartridge for Pentamix™ 2 Automatic Mixing Unit. Durable, metal-reinforced cartridge. Automatic mixing and dispensing with the Pentamix 2 system. Absolutely homogeneous and void-free mixing at the touch of a button. Helps get an accurate impression on the first take--reducing the need for costly adjustments, remakes and retakes. Suggested Application: Crown and bridge Impressions. Inlay and onlay impressions. Implant impressions.