M4 Rear Port Cap PC-R-4 for Nexus M4 Ports

[Description]

For M4 Port
Port Rear Cap protect O-Ring, O-Ring sealing surface and screws which are important to maintain sealing and to protect and prevent dirt from entering.
The pressure relief cap, is also safe to travel by aircraft and other changes occur in the external pressure.
Used for moving and storage.
Material: Plastic
Part Name: PC-R-4 / Part Number: 15319