Porsche 964 Air Conditioning Evaporator Replacement

A quick look at the state of an original evaporator on a Porsche 964 air conditioning system and why the evaporators should ideally be changed when installing our electric air conditioning 'half-kit" systems for all Porsche 964 models.

[@SterlingMess]

How old was that one? Typically, after how many miles/years do they require replacement? I believe I've lost gas in my system, so I need to check here.