The Robinair 40352 Replacement Valve Cores (6 Pack) are designed for use in A/C systems and can replace valve cores that have experienced severe wear-and-tear. These valve cores are compatible with high and low refrigerants such as R-12, R-134a, R-22, R-410a, and more. Repairing valve cores when servicing A/C systems can save costs on refrigerants in the long run.

• Replace valve cores in A/C systems
• Compatible with high and low refrigerant types