If you are going with Atomic, get a Z2 model unless you have a particular need for the other lines (like the higher O2 compatibility). They all breathe the same.
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Diving is the only sport I know where people regularly comment that the cheapest that will work is the best option for life support gear.
The OP has or had an opportunity to buy either a "used" Sherwood S2 or a "used" Atomic B2 for about the same price. Those are their choices...
Diving is the only sport I know where people regularly comment that the cheapest that will work is the best option for life support gear.
And it's too bad that a certain individual on this board has such a chip on their shoulder against moderators that they feel the need to attack a members opinion.
Moderators are also members here. I was stating my opinion, it has no relevance to my standing on the board.