P-port adapter for Interspiro AGA FFM and for Golem Shrimp BOV

Port  adapter for Golem BOV - Shrimp to fit Interspiro AGA Full Face Mask. It changes the BOV with bite piece  to be used with the AGA FFM.  Unscrew four hex screws, remove bite piece, insert p-port and screw back in.
Also the AGA faceplate must be changed with the supplied faceplate.

The video below shows p-port change but the same technique applies to the Guardian port exchange.