Enjoy your time underwater without the constant need to surface. This compact cylinder sits securely in its harness, giving you that extra bit of breath to linger by the reef or finish a task. Crafted for durability and built to deliver smooth, consistent airflow, it lets you move naturally and stay present in the moment while you explore the deep.
I used this for a quick reef check and it felt so smooth. No more gasping for air when I want to linger a bit longer. It really kept me calm underwater.
Taking photos during my snorkel sessions is so much easier now. I don't feel rushed to head back up, which lets me focus entirely on getting the perfect underwater shot.
Used this for cleaning my boat hull last weekend. It gave me that extra air I needed to work comfortably without constantly resurfacing. Really sturdy feel and easy to manage.
Finally, a way to stay under longer without the heavy gear. I love how it sits in the harness so I can just swim and enjoy the view. Definitely improved my time.
Took this on a trip and it made diving around the shallows way more relaxing. The air flow is consistent and it feels light enough that I barely notice it on me.
Rated 4.9/5 by 1210 people
Sebiger Portable Diving Cylinder
Explore more, surface less.
Experience extra time beneath the waves with a reliable reserve air source.
$499.99
USD
$439.99
USD
Save
12%
Smooth airflow keeps your breathing steady.
Stay focused on your surroundings longer.
Ditch the rush for fresh air.
Details
DELIVERY INFORMATION
We offer tracked and insured shipping for all of our orders. Order processing takes 1-3 business days before shipment.
30-DAY TRIAL
We love our products and are confident you will too! That’s why we're offering a 30-Day Risk-Free Trial. If you're not in love with your product, we'll give you a refund.
As Seen On
Deeper dives with Ocean Buddy
It keeps you lingering underwater longer. Enjoy the quiet silence of the reef. The steady valve lets you glide without interruption. It fits neatly on your harness so your hands stay free to explore.
Ready for your next adventure
Extended ocean bliss with portable air
Longer underwater exploration
Enjoy more time watching the reef without rushing back to the surface for your next breath of air.
Hands free underwater movement
Use the included harness to keep your gear close while you capture photos or clear debris without feeling restricted.
longer underwater time
reliable backup air
built for durability
easy hands-free use
flexible refill options
See what our community says
Watch these explorers discover more time under the surface with their gear
Frequently Asked Questions
Answers to the questions you have most.
Contact us if you have any other questions
Don't hesitate to send us a message! Our support is happy to help
What is the Sebiger portable cylinder?
It is a compact air source designed to extend your time underwater during recreational snorkeling or shallow exploration. It gives you extra breathing room so you can enjoy the view without needing to surface as often.
How do I get started?
Simply strap the cylinder to your gear, check your valve, and you are ready to head out. It fits naturally into your routine, whether you are practicing in a pool or capturing photos. Most users find the rhythm of breathing comes quite naturally after just one or two sessions.
How does shipping and returns work?
We ship orders quickly so you can start your adventures sooner. If you are not completely satisfied, our team is here to help with a straightforward return process. We want you to feel confident and excited about your gear from the moment it arrives.
Is this safe for underwater use?
Safety is our priority. We use high-strength materials and rigorous construction to ensure each unit remains durable and reliable under pressure. Every component is thoughtfully designed so you can focus on your underwater experience with complete peace of mind.
How do I refill the air?
Refilling is simple and flexible. You can use a dedicated compressor for a quick turnaround, visit a local dive shop for convenience, or use a manual pump when you are away from home. We provide all the tools you need to stay ready for your next dive.
Quickly Start Exploring
Spend less time preparing and more time drifting through the shallows.
Breathe With Ease
Enjoy a smooth, natural flow while you observe life beneath the surface.
Built For Peace
Rest easy knowing your equipment handles the water with rugged, reliable strength.
Always Ready Backup
Keep your adventures going with a dependable reserve always by your side.
Real Explorers Share Their Underwater Moments
Join our community of water lovers who are finding more peace and extra time below the surface.
Finally feeling relaxed while snorkeling. It is such a relief to have that extra bit of air when I find something cool to look at.
Simple to use and makes my underwater photography sessions much longer. Love the freedom it gives me.
Pretty impressed by how quick it is to fill up. It is the perfect size for someone like me who likes short, peaceful explorations.
Love the design. It is sleek, feels solid in my hands, and gives me that extra bit of safety I was looking for.
Total game changer for my shallow dives. I feel so much more confident knowing I have a backup right there.
Good quality for the price. It has been great for pool training and checking my boat hull. Definitely adds a layer of comfort to my routine.
I honestly feel like I can breathe so much easier now. The harness is comfortable enough that I forget it is even there while I am swimming. It is exactly what I needed to stop feeling so rushed during my dives. Truly a great addition to my gear bag.
Superb for my recreational dives. It is such a luxury to have those extra moments underwater without having to surface constantly. Definitely worth it.
Really happy with how easy it is to carry. Makes exploring the reef so much more fun since I am not rushing for the surface.
I was hesitant at first, but this really opened up new ways to enjoy the water. It feels very well made and secure, which matters a lot when you are swimming around. I find myself staying down just a little longer each trip to see the fish, which is exactly what I wanted.
Took this on vacation and it made my beach days ten times better. Being able to hover and just watch the ocean floor is such a special experience.
Fantastic for beginners. I feel much more comfortable in the water knowing this is clipped on to me.
I used to be anxious during my morning swims but now I just float and observe. The setup is lightweight and stays secure the whole time I am in the water. Highly recommend.
Super reliable for my reef outings. It is just enough air to let me relax and enjoy the view without worrying about my next breath.
Works exactly as promised. Feels very secure and allows me to stay calm during my underwater cleaning tasks.
Go further beneath the surface today
Spend more time exploring the reefs without rushing back to the surface. It is simple to set up and start your next aquatic adventure right away.
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