Impregum Penta - Refill Pack - Medium Body Polyether Impression Material, 2 - 300 mL foil bags Base and 2 - 60 mL foil bags Catalyst. Hydrophilic for unparalleled accuracy despite moisture. Thixotropic for exceptional flow under pressure. Delivers precise details and fitting. Guarantees reliable results. Impregum Penta sets the standard in polyether impression materials that feature snap-setting for distortion-free restorations, applying the monophase method. Impregum's Pentamix System grants automatic homogeneous mixing and dispensing with a convenient push of a button.Each Standard Kit contains 2 x 300 ml base and 2 x 60 ml catalyst cartridges.