12L Concave Euro Sidemount Cylinder

Name: 12L Concave Euro Sidemount Cylinder
Brand: BtS
SKU: S16816689
Price: 320.00 GBP
Availability: InStock

£320.00

The O2 clean steel 12L Concave Euro Sidemount Cylinder is available with a high-quality and reliable BtS Expandable Sidemount Valve. These sidemount cylinders with a flat bottom are available in right-hand or left-hand configurations.

Left or Right Hand Valve

Variant

Quantity:

Dispatched in 1 to 2 days

How can we help?

If you need to contact us for any issue or assistance, you can do so online by filling out the online Contact Form, emailing us at sales@dirdirect.com or calling us on +44(0)1305 824 555. If it's about a purchase you've made for us please also include your order number.

Our brick-and-mortar store Underwater Explorers based on Portland, Dorset is open to visitors Friday through Mondays including bank holidays. Although the store front is closed to visits Tuesday through Thursdays, our online store is staffed 7 days a week.

As it's an active store visited by divers from around the country and world regularly, if we can't make it to the phone for any reason please leave a message and we'll get back to you asap.

Any queries are usually answered the very same day and at most within 24 hours.

Why Portland?

We’re located on the Isle of Portland (in Dorset) because Portland has been one of the most popular scuba diving locations in the United Kingdom even before we set up operations here back in the year 2000.

On one side, we’re minutes away from the sheltered waters of Portland Marina and Harbour, while on the other, it’s just a brief walk to reach our famous scuba diving destination Chesil Cove and start of the 16-mile-long Chesil Beach.

Portland’s location makes it ideal for scuba diving, freediving, snorkelling and other surface water sports activities.

Check out how many wrecks we have around here by clicking on Scimitar Diving's Wreck & Dive Sites chart!

Alongside dive clubs, many instructors and dive schools travel here to train and offer scuba diving certification ranging from open water diver to mixed-gas tech diving or rebreather diving levels.

Whether you’re doing a boat dive from Portland Marina or Castletown or a shore dive at Chesil Cove, Portland is well known for offering many possibilities: Reef diving to wreck diving and night diving, underwater photography or underwater videography. Anything other than cave diving is possible here.

Likely being the best-stocked diving shop in the UK, at Underwater Explorers we offer in-store scuba diving equipment advice and sales, as well as gas fills, to locals and visitors (read About Us).

But... If you’re googling “scuba diving shop near me” like some, look no further, there's DirDirect online.

Here at DirDirect, we list our cutting-edge equipment for worldwide delivery and we’ve got you covered whatever your level of diving: We’re your local dive store wherever you are in the world.

All that with over 20 years of experience especially in technical diving, from training to equipment, advice and sales.

Underwater Explorers, Unit 1, Maritime Business Centre

Mereside, Portland, Dorset, DT5 1FD

12L Concave Euro Sidemount Cylinder specification

O2 clean for 15 months from the date of purchase
Working Pressure: 232 bar
Cylinder diameter: 171mm
Cylinder length without valve: 69cm
Average cylinder weight without valve: 14.5-15.1 Kg
BtS M25 Expandable Valve with blanking plug
Visual test required 2025/07

Ordering from outside of the UK mainland?

12L Sidemount Cylinder does not qualify for our standard shipping fees due to the shipping costs. If you want these delivered outside the UK mainland, contact us using our Online Contact Form with your delivery address. We are then able to provide you with a non-binding shipping quote.

SKU: S16816689

What brand cylinders does DirDirect supply?

We supply Faber, Luxfer, BTS and MES cylinders which will be stated in individual product descriptions.

What checks do you do before sending out cylinders?

All cylinders received from manufacturers are filled to their working pressure on arrival, and their valves and any manifolds are tested to ensure everything is in working order and there is no leak. On twinsets we also check the position of twinning bands and bolts to align with backplates correctly. O2 and any required VIP stickers are sent together with a sticker confirming the empty cylinder you receive has been tested as above.

How do you ship cylinders for UK delivery?

Cylinders are shipped empty as stated above. Single tanks are sent in individual boxes and are ready to be filled. Twinsets are boxed up assembled, with centre manifold facing down, to prevent accidental damage during transport. Boxes are clearly marked to be transported flat to avoid damage to valves.

Do I need to do anything for twinset deliveries?

Yes, we would appreciate your assistance due to the volume and weight of the shipment and because even leading courier services often use only one driver. Other than cautionary labels, twinset boxes will have a label asking the driver to notify the recipient on arrival to assist with delivery if possible. We would also appreciate it if you inspected the box against any damage and not sign for it if there is any visible damage.

As mentioned in the previous QA, twinset centre manifolds will be turned inwards during shipment. When you receive the twinset you will need to turn it to the position you like and do up the left and right nuts towards the valves to secure it.

Do you ship cylinders outside of mainland UK?

Yes we do. But you need to contact us by email with a delivery address, so we can give you a quote for shipping fees. Twinsets dispatched outside of UK mainland are sent disassembled so you would need to organise for assembly on your side. Single tanks may also have their valve removed due to transport restrictions. Please contact us prior to placing any order for cylinders outside of mainland UK.

What happens if my cylinder is damaged during transport?

Please inspect the delivery and refuse to sign for it if there is any visual damage to the parcel. If the contents are found to be damaged after delivery, be sure to contact us ASAP so we can resolve the issue without further inconvenience. Twinset orders should be carefully examined due to their size and weight.

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SHIPPING:

We aim to dispatch all in-stock items within 2 working days but will inform you of approximate delivery times should any item on your order be out of stock or on supplier backorder due to current manufacturing or transport delays caused by global shortages and/or impeded production.

Please refer to our Shipping Policy and Returns & Refunds Policy for detailed information on delivery terms and returns.

Our current shipping rates are as follows:

• UK mainland orders £45 and over: FREE
• UK mainland orders under £45: £4.90 Fixed Rate
• Scottish Higland and Islands & Isle of Man: £9.90 Fixed Rate
• Channel Islands & Northern Ireland: £14.90 Fixed Rate
• European Union: £13.90 + 5% of order value (maximum £30)
• Rest of the World: £19.50 + 8% of order value (maximum £55)
• BFPO Post Codes: £20

INTERNATIONAL EXCEPTIONS:

For international orders containing weights, cylinders (excluding suit inflation bottles) and Suex scooters please contact us in advance before placing your order.

These products are not included in our global max-capped shipping rates and are only shipped outside of UK mainland after freight cost is calculated based on total weight, dimensions of parcel, location of delivery and the courier service used. We will let you know what this cost will be before processing any order.

All cylinders we ship within and outside of UK mainland are filled and tested on site before being emptied for dispatch. Cylinders shipped outside of the UK will be empty and will also have their valves removed, requiring reassembly after you receive delivery. Twinset manifolds and bands will also be removed and dispatched together with the cylinders for safe global shipping.

RETURNS & REFUNDS

We offer a 30 day return for any product sold under our Returns & Refunds Policy Please contact us before any return with your order number and date details. Receive our Returns Authorisation Form and instructions and enclose them with your return to expedite a refund. Detailed information is available in our Returns & Refunds Policy.

Email us at sales@dirdirect.com or call us on +44(0)1305 824 555

Note that all returned items are shipped at the customer's own risk and remain the customer's property until received by Underwater Explorers, so please ensure they are packaged well and use reliable postal services with tracking facilities. The goods will be inspected on arrival.

Return postages are at your own cost and our outbound shipping costs (if items are sold with integrated basic shipping charges i.e. Free shipping for orders £45 and above) the UK shipping rate may be deducted from any UK mainland refund unless linked to a fault/defect claim.

Please contact us with your order number and name before sending any returns to:

Underwater Explorers – Returns
Unit 1, Maritime Business Centre
Mereside, Portland
Dorset, DT5 1FD
United Kingdom

Please refer to our Shipping Policy and Returns & Refunds Policy for detailed information.