The AUTOMANN #4 A/C O-ring - 10 Pieces (Green) is designed for versatility and effective performance in a range of applications. Compatible with a variety of refrigerants, these O-rings provide adaptable use in different A/C systems. They are engineered to prevent leaks, ensuring efficient operation by maintaining a secure fit. The O-rings are resistant to wear and tear from refrigerant exposure for long-term use. They are also suitable for high-pressure applications during operation by maintaining integrity under demanding conditions.