The Nu-Calgon 4179-01 Gallo Gun is a versatile and efficient tool designed for maintaining clean and clear condensate lines. Lightweight at just 0.75 pounds, it features compatibility with both 16g and 20g CO2 cartridges, making it easy to use and transport. Ideal for removing water and condensation from evaporator and condenser coils, the Gallo Gun helps ensure optimal performance and reliability of your HVAC systems.