- Compatible with most self-sealing and reusable design cans that use R134A refrigerant. - Designed with a user-friendly opening and closing mechanism specifically for R134A self-sealing cans with a safety check valve. - Built with a high-strength structure and a wash-resistant protective coating to ensure long-lasting durability. - Made from sturdy brass, suitable for extreme conditions and effective at preventing leaks. Use scenarios - Automotive air conditioning service: connect to R134A self-sealing cans during refrigerant recharge to ensure a secure, leak-free transfer. - Small workshop HVAC maintenance: reliable performance for servicing systems that use R134A refrigerant, with durable construction for frequent use. - Field service or roadside repairs: rugged brass construction provides durability in variable environments while maintaining leak prevention.