As a recently certified DM, I can assure you if you have an EMT-B or higher it Trump's any EFR and O2 or First Aid required by PADI,as long as it is not expired. Just make sure to list the license and number in the field for EFR or it will slow the paperwork.
Not sure where you are getting this info from? The Steel also has Trimix and CCR, and it has better battery life than the Core. Here are the differences:
Weight: The Core weighs in at 5.43oz while the Steel weighs 12.24oz. This is mostly due to the Stainless Steel Case
Case: The Core has a...
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