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Holllis 500SE Second Stage's redesigned, pneumatically balanced servo controlled valve delivers superior performance.
Even the tiniest, gentles inhalations kick-starts the valve as air starts to flow into the second states creating a vacuum behind the diaphragm, drawing it inward and rapidly opening the valve even further.
The mouthpiece is one of the most comfortable ones there probably is, which means less jaw fatigue on longer dives.
The exhaust is conveniently placed, directing the bubbles away from the face and vicinity. You can also use the second stage which ever way -there's no 'up' or 'down'.
Please note: this is the second stage ONLY and comes without a hose.
Free UK delivery on all orders over £50
30 DAY RETURNS
If you change your mind, it doesn’t fit, or you become inflicted with buyer’s regret - that's OK!
Mike's Dive Store offer an extended returns policy of 30 days - so you can be rest assured if the suit, piece of diving equipment or gift doesn't suit then just send it back and we will either exchange it or offer a full refund less any postage costs. Too easy!
Please note that there are some special order items on our website that will be subject to a 20% re-stocking fee but we will let you know about these items before we special order them so that you are aware of this. If this is the case we can always help with correct sizing so that we minimise the risk of return.
For step-by-step instructions click here