Material: Plastic + rubber seal
Suitable for car air-conditioning replacement and maintenance.
Universal fit for most of vehicles with R134a AC System.
5 red caps for high side port 16 mm
5 blue caps for low side port 13mm
It's a great replacement for your old ones, high quality with long lifespan.
This AC charging port cap can effectively and particles from entering the filling port, avoid the filling port from clogging.
Easy to install and disassemble, no need of complicated operations.
Note: The dust cap has no internal threads, only dustproof function