
FeaturedGetting started underwater
Mini Scuba Tank Refill Options for US Buyers
Compare OXSEA manual pumps, 12 V DC Mini Compressors, and AC-powered Power Compressors. Find the refill setup that matches your tank and available power.
Getting started underwater
Breathing, gear, preparation and good habits: everything you need to discover the world beneath the surface, at your own pace.

FeaturedGetting started underwater
Compare OXSEA manual pumps, 12 V DC Mini Compressors, and AC-powered Power Compressors. Find the refill setup that matches your tank and available power.

Getting started underwater9 min read
Choose your OXSEA tank around how you’ll carry it, use it, and refill it. Compare the US range, understand air time estimates, and check the order details before buying.

Getting started underwater8 min read
Compare OXSEA’s estimated air times, learn why depth and effort change them, and see which tank and refill system fits your plans. Actual air time varies with use and conditions.
OX5000.5 L
A taste of your first explorations.
Up to 8 min* · Held in the mouth
Up to 8 min underwater*
Held in the mouth
Up to 15 min underwater*
On the back, with harness
Up to 25 min underwater*
On the back, with harness
* Estimated air time, not guaranteed. OXSEA tanks are designed to be accessible to everyone, with no training required. Safety precautions