- Delivery & Returns
The Atomic M1 first stage uses flow-through balanced piston design for excellent performance and a mix of chrome plated marine brass and more exotic materials such as Monel to create a balance between affordability and durability.
The main body and other components are made from chrome plated brass like most other first stages but where it differs is on the inside. By using some unique designs and materials Atomic are able to create a very reliable first stage that has a long service period and lifetime warranty that isn't contingent on proof of service.
Atomic using Monel for key internal components which is a Nickel / Copper alloy. It has some properties that are very desirable for regulators including excellent subzero characteristics and the ability to withstand oxygen fires making it ideal for use in high oxygen content gas mixes.
The first stage is fitted with five low pressure ports on a swivelling turret at the end of the first stage and two high pressure ports, one on each side of the main body.
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- Factory ready for Nitrox to 50% or oxygen mixes to 80% when special guidelines are followed
- First stage materials are chrome plated Brass for the body and Monel for key internal components
- Atomic Jet Seat high-flow piston first stage
- Freeze protected factory-sealed first stage also prevents contamination such as silt and sand
- First stage ports: 2 HP fixed / 5 LP on swivel cap
We offer free tracked UK standard delivery on orders over £50.
Standard UK delivery is £3.50 for orders under £50 and sent using Royal Mail First Class delivery. You will receive your order 2 - 3 days from the date of dispatch. Order by 2pm on a working weekday, and we will aim to dispatch the same day.
Next Working Day for the UK is £6.99.
International shipping rates depend on items, shipment weight and destination. Shipping costs are calculated at checkout.
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.