The Arctic Air for R12 systems is a revolutionary product, specifically designed to enhance the performance of R12 HVAC systems. This 4-can pack, containing four 4-ounce cans or one 8-foot hose, provides an AC booster and a drying agent, making your system more efficient and effective. The Arctic Air is an ideal solution for improving the cooling capacity, reducing refrigerant leaks, and increasing the lifespan of your R12 system. Its advanced technology helps fill your system with clean, dry, and efficient refrigerant, ensuring optimal performance and longevity. Whether you're dealing with a new installation or an existing system, this product is a must-have for any HVAC professional. Invest in the Arctic Air today and experience the difference it makes in your R12 systems.