A test plug is included with each adapter purchase. This is a replacement.
HA-420 Leak Test Plug (one test plug is included with each adapter)
HondaJet HA-420 Accessories
Gulfstream G500 Adapter Kit & SmartProbe Adapters
Airbus A220 Adapter Kit & SmartProbe Adapters
Bombardier Global 8000 Adapter Kit & SmartProbe Adapters
