Fisnar FPG-300 Pistol Grip Pneumatic Dispense Kit is designed to dispense 10.1 oz or 300 mL cartridges. Lightweight and durable, it includes a pneumatic applicator, adjustable pressure control, and a 300 mL metal retaining sleeve that threads directly into the retainer cap to lock in the cartridge for minimal movement and a tight air seal. Max 85 psi rated. For use with 1/10th gallon plastic and metal caulking-type cartridges (not included, sold separately).