If you're a first-time user of Cerma Treatment and want to apply it to your A/C and refrigerant system, add the A/C and Refrigerant Tool to your cart along with the recommended dosage. The reusable applicator tool is designed to work for applying Cerma A/C and Refrigeration Treatment in various settings such as vehicles, home and commercial A/C systems, and home and commercial refrigeration systems. Once you have the applicator tool, you won't need to purchase it again, only additional treatment. Order now and experience the convenience and efficiency of applying Cerma Treatment with our A/C and Refrigerant Tool.