Cox Midiflow Combi sealant gun, ideal for low to medium viscosity materials. Ergonomically designed for comfort and ideal for semi-professional use with a lightweight ABS barrel. Suits 310ml and 400ml Cartridges. Requires nozzle when used with 600ml sachets. Blue plunger is for use with sachets Metal plunger is used with cartridges Includes 12 month manufacturer&rsquos warranty.