High-Pressure Tight Sealing

Built to withstand high-pressure operating conditions, these robust stoppers deliver reliable sealing performance, supporting precise and sensitive leak detection during vehicle air conditioning maintenance.

Wide Vehicle Compatibility

Equipped with universal standard interfaces to fit most vehicle models. It matches expansion valves of various automotive AC assemblies and suits all types of air conditioning repair work.

Save Labor & Shorten Repair Time

Optimize your AC troubleshooting workflow for rapid fault diagnosis, effectively cutting service hours and lowering labor costs.

Durable Reusable Construction

Constructed from premium sturdy materials to maintain stable airtight performance through repeated AC system leak inspections.

Streamlined Leak Inspection

Enable direct access to the air conditioning circuit to quickly locate leaks. No dashboard disassembly required, simplifying testing procedures and boosting work efficiency.