Scuba Diving Tanks & Scuba Diving Valves

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XS Scuba Tank Rail Kit Picture

XS Scuba Tank Rail Kit

SKU: XSSTRKMFR: TR200
(2)
  • Durable aluminum rail ensures secure tank mount.
  • Corrosion-resistant; anodized for extended life.
  • Compatible with XS Scuba tank holder (SKU:XSSTR120).
  • Mount up to three tanks with ease and reliability.
  • Includes stainless-steel mounting screws for safety.
  • 36-inch tank rail kit for enhanced scuba setup.
Save $2
$119.95
$122.00
Save: $2.05
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Thermo by XS Scuba Din/Yoke Va Picture

Thermo by XS Scuba Din/Yoke Valve Pro 3300 PSI EANX0

SKU: XSSVP33MFR: VA200-33N
(1)
  • XS Scuba Valve: Durable chromed brass build ensures reliability.
  • Convertible DIN/Yoke valve offers versatile tank compatibility.
  • 3300 PSI scuba valve: Optimal flow rate for safe diving.
  • Nitrox Ready valve: Supports up to 40% oxygen mixtures.
  • Corrosion-resistant scuba valve for extended lifespan.
  • Easy-to-use Thermo Pro valve enhances diving safety.
$86.00
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Faber 23 High Pressure Steel T Picture

Faber 23 High Pressure Steel Tank Only

SKU: FBRHP23O
(4)
  • High Pressure Steel Tank: 3442 psi (237 bar) capacity.
  • Compact Scuba Tank: 3.94" diameter, easy to manage size.
  • Lightweight Steel Tank: Only 8.6 lbs, travel-friendly.
  • Faber Steel Tank: Corrosion-resistant, durable build.
  • Nitrox Ready Tank: Up to 40% for enriched air use.
  • Negative Buoyancy: -2.64 lbs when full for stability.
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Highland by XS Scuba Stainless Picture

Highland by XS Scuba Stainless Steel Cylinder Bands

SKU: XSSSSTB
(1)
  • Durable stainless steel cylinder bands by XS Scuba.
  • Ensures reliable tank security for scuba diving gear.
  • Fusion welded bands protect cylinder finish.
  • 10-Gauge steel plates add strength and durability.
  • Passivated & polished for corrosion resistance.
  • Compatible with standard scuba tanks and valves.
$179.95$195.95
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Zeagle Pony Bottle or Battery  Picture

Zeagle Pony Bottle or Battery Pack Attachment Kit (2)

SKU: ZGLPBAKHDMFR: 8029HD
(10)
  • Securely mount pony bottles with Zeagle kit.
  • Durable nylon webbing ensures tank stability.
  • Compatible with Zeagle BCDs for easy setup.
  • Delrin buckles resist corrosion in saltwater.
  • Fits 13-30 cu ft pony cylinders or batteries.
  • Steel cam provides a safe, reliable attachment.
$80.95
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Catalina Pony Bottle Tanks wit Picture

Catalina Pony Bottle Tanks with Pro Valve

SKU: AQUTP
(70)
  • Catalina Aluminum Tank: Lightweight & Durable Build.
  • Pro Valve Included: Convertible, Nitrox Ready Design.
  • Multiple Sizes: 6, 13, 19, 30, & 40 cu ft Options.
  • 3000 PSI Rating: Reliable Scuba Tank Performance.
  • Corrosion-Resistant: Ensures Long Tank Life Span.
  • Pony Bottle Tank: Ideal for Redundancy & Safety.
$174.95$294.95
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Hollis Double Mounting Plates  Picture

Hollis Double Mounting Plates (set of two)

SKU: HLSDMPMFR: 208.1034
(1)
  • Durable stainless steel for twin cylinder setups.
  • Enhances scuba tank stability and corrosion resistance.
  • Compatible with Hollis backplates for secure mounting.
  • Ensures reliable scuba gear performance underwater.
  • Designed for industry-standard tank band compatibility.
  • Provides safe and easy double tank mounting solution.
$41.95
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Catalina 80 Cubic Foot Aluminu Picture

Catalina 80 Cubic Foot Aluminum Tank with Pro Valve

SKU: AQUTA8
(151)
  • Catalina 80 cu ft Aluminum Tank, reliable scuba gear.
  • Pro Valve included; convertible, Nitrox ready up to 40%.
  • 3000 PSI Aluminum Tank; ensures ample dive time underwater.
  • Durable aluminum build; corrosion-resistant scuba tank.
  • Lightweight scuba tank; weighs only 31.6 lbs (empty).
  • Certified Catalina Tank; MFG Lifetime Limited Warranty.
Thunderbird 63 cu. ft Aluminum Picture

Thunderbird 63 cu. ft Aluminum Tank with Pro Valve

SKU: MTLTA63
(1)
  • 63 cu ft Aluminum Tank: Lightweight & Durable.
  • Pro K-Valve: Convertible, Nitrox Ready Up to 40% O2.
  • 3000 PSI Scuba Tank: Reliable Performance Under Pressure.
  • Corrosion-Resistant Aluminum Alloy Scuba Cylinder.
  • Negative 2.3 lbs Buoyancy: Enhanced Stability Underwater.
  • Certified Scuba Gear: Ensures Safety and Reliability.
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Hollis Rubber Tank Wrap Kit (P Picture

Hollis Rubber Tank Wrap Kit (Pair)

SKU: HLSRTWKMFR: 208.1322
(1)
  • Secure hoses with durable rubber tank wrap kit.
  • Ensures gear security; prevents dangling hoses.
  • High-quality rubber offers superior corrosion resistance.
  • Compatible with standard scuba tanks and valves.
  • Easy to use; simplifies tank and hose management.
  • Enhances safety; keeps hoses streamlined and secure.
$15.95
In Stock
7.25" Tank Boot for High Press Picture

7.25" Tank Boot for High Pressure Steel Tanks

SKU: AQUTB725SMFR: TA55
(7)
  • Protect your HP steel tank with a durable boot.
  • 7.25" tank boot ensures stability underwater.
  • Hexagon shape prevents rolling; adds safety.
  • Round bottom tank boot fits standard HP tanks.
  • Plastic material offers reliable tank protection.
  • Easy to use; install this tank boot in seconds.
$34.95
In Stock
Faber High Pressure Steel Tank Picture

Faber High Pressure Steel Tank

SKU: FBRHP
(72)
  • Durable steel tank: High-pressure, up to 3442 psi.
  • Multiple sizes: 23 cu ft to 149 cu ft steel tank options.
  • Convertible valve: Yoke/DIN valve, Nitrox ready to 40%.
  • Corrosion-resistant: Zinc-sprayed, epoxy-coated steel tank.
  • Chrome-Moly steel: Deep-drawn for superior tank strength.
  • Includes tank boot: Protect your Faber steel scuba tank.
Thunderbird 13 cu. ft Aluminum Picture

Thunderbird 13 cu. ft Aluminum Tank with Pro Valve

SKU: MTLTA13MFR: AL13BR-VA200
  • Compact 13 cu ft Aluminum Tank, ideal for travel.
  • Durable aluminum scuba tank, 3000 psi rated pressure.
  • Pro K-Valve ensures reliable gas flow control.
  • Nitrox ready scuba tank, up to 40% oxygen blend.
  • Negative buoyancy provides stable underwater trim.
  • Certified aluminum tank, ensuring safety standards.
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$162.00
$189.95
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Thermo by XS Scuba Deluxe K-Va Picture

Thermo by XS Scuba Deluxe K-Valve

SKU: XSSKVMFR: VA100-30A
(3)
  • Durable chromed brass K-Valve for reliable scuba.
  • 3000 PSI service pressure; standard yoke valve type.
  • Marine-grade materials ensure corrosion resistance.
  • Teflon-plated seat assembly enhances safety features.
  • Easy operation; rubber handwheel for secure grip.
  • 3/4"-14 NPSM inlet thread for standard tank fitting.
$76.00
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Thermo by XS Scuba Modular DIN Picture

Thermo by XS Scuba Modular DIN Valve

SKU: XSSTMDV
(1)
  • XS Scuba DIN Valve: Reliable performance assured.
  • Convertible valve: Yoke or DIN regulator ready.
  • Durable chromed brass valve body & stems built tough.
  • High flow rate valve ensures optimal air delivery.
  • Corrosion-resistant scuba valve for longevity.
  • Safety-focused design in this modular DIN valve.
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$95.95
$108.00
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XS Scuba 8" (20.3cm) Octagon T Picture

XS Scuba 8" (20.3 cm) Octagon Tank Boot for Steel Tanks

SKU: XSSTB8MFR: TBX8S
(3)
  • Protect steel scuba tanks with durable tank boot.
  • Octagon design ensures stability; prevents rolling.
  • 8-inch boot fits standard round-bottom steel tanks.
  • Molded drain ribs prevent corrosion; extend tank life.
  • High-quality, impact-resistant plastic construction.
  • Ensures tank compatibility; easy to install/remove.
$31.00
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XS Scuba Save-A-Dive-Kit Picture

XS Scuba Save-A-Dive-Kit

SKU: XSSSADKMFR: AC320
(2)
  • Essential scuba save-a-dive kit for gear repairs.
  • Includes regulator mouthpiece for dive equipment.
  • O-rings ensure corrosion resistance, reliable seals.
  • Fin strap & buckle kit enhances dive gear safety.
  • Mask strap offers compatibility with most brands.
  • Stainless weight keeper adds durability to your dive.
$37.00
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7.25" Tank Boot for Aluminum F Picture

7.25" Tank Boot for Aluminum Flat Bottom Tanks

SKU: AQUTB725MFR: TBX7A
(39)
  • Protect your scuba tank with a durable tank boot.
  • Ensures scuba tank stability with a flat base design.
  • Extends scuba gear life; shields from scrapes.
  • Compatible with 7.25" diameter aluminum tanks.
  • Hexagon shape prevents rolling; enhances safety.
  • Integrated drain ribs prevent water accumulation.
$14.00
In Stock
Roll-Control Mounting Kit (TA- Picture

Roll-Control Mounting Kit (TA-84)

SKU: RCSTA84MFR: TA84
  • Secure Tank Mount: Durable PVC for lasting use.
  • Roll Control Track: Compatible with RCSTA81 models.
  • Stainless Steel Hardware: Ensures reliable mounting.
  • Curved Surface Ready: Mount rail on any tank easily.
  • Easy Installation: Roll-Control mounting kit included.
  • White Bracket Mount: Enhances scuba gear safety.
$29.95
In Stock
Highland by XS Scuba Pony Moun Picture

Highland by XS Scuba Pony Mount with Buckle Pad

SKU: XSSHL412MFR: HL412
(4)
  • Secure pony bottle mount: durable 316-stainless steel.
  • Quick-release buckle ensures easy, safe tank access.
  • Corrosion-resistant scuba gear for lasting performance.
  • Nylon webbing harness fits 7.25" & 3.2" cylinders.
  • Enhanced tank stability with included buckle pad.
  • Highland pony mount: reliable scuba tank accessory.
$111.95
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XS Scuba Tank Holder TR120 ~Si Picture

XS Scuba Tank Holder TR120

SKU: XSSTR120MFR: TR120
(2)
  • Secure your scuba cylinder with XS Scuba TR120.
  • Durable tank holder: plastic, stainless steel build.
  • Reliable scuba tank rack fits 6.9" to 8.0" tanks.
  • Single tank holder ensures safe cylinder storage.
  • Corrosion-resistant materials for lasting use.
  • Easy to use: secure your tank with ease today.
Save $5
$45.95
$51.00
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Highland by XS Scuba Stage Bot Picture

Highland by XS Scuba Stage Bottle Strap Kits

SKU: XSSSBSK
(12)
  • Secure scuba tank with durable stainless steel clamp.
  • Nylon webbing ensures reliable stage bottle mounting.
  • Corrosion-resistant kit for long-lasting scuba use.
  • Easy-to-use design for quick cylinder adjustments.
  • Compatible with multiple cylinder diameters.
  • Includes bolt snaps for secure scuba gear attachment.
Save $8
$76.95
$85.00
Save: $8.05 (9%)
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Roll-Control 48" (122 cm) Alum Picture

Roll-Control 48" (122 cm) Aluminum Track Railing (TA-81)

SKU: RCSTA81MFR: TA81 7065
(15)
  • Durable anodized aluminum track railing system.
  • Ensures reliable mounting for dive tank accessories.
  • Compatible with Roll-Control tank accessories.
  • Simplifies tank handling; easy to use design.
  • Corrosion-resistant for lasting performance.
  • 48" (122cm) aluminum track for secure setup.
$64.95
In Stock
Spare-Air 3000 Kit Picture

Spare-Air 3000 Kit

SKU: SXB
(10)
  • Compact Spare Air kit; reliable backup air source.
  • 3000 PSI aluminum cylinder for essential dive safety.
  • Includes refill adapter, holster, and safety leash.
  • Lightweight & compact; ideal pony tank alternative.
  • Downstream demand valve ensures easy air delivery.
  • Corrosion-resistant aluminum build for longevity.
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Find reliable scuba diving tanks and valves at Scuba.com. Ensure a safe dive with top-quality gear. Shop now and gear up for your next dive!

Tanks and Valves

Explore our extensive range of scuba diving tanks and scuba diving valves designed to enhance your underwater adventures. At Scuba.com, we offer a variety of high-quality scuba tanks in different sizes and materials, ensuring you find the perfect option for your diving needs. Our durable scuba diving valves provide reliable performance and compatibility with various tank models, ensuring safety and efficiency during your dives. Whether you're a beginner or a seasoned diver, our selection of scuba tanks and valves will equip you for every underwater exploration. Shop now to prepare for your next dive!

Your tank, valves, and manifolds are among the most important pieces of gear in your scuba diving kit. Let’s take a closer look at how they work, the different types, and other crucial information.

Understanding Scuba Tanks

Also referred to as your diving cylinder, your scuba tank holds all of the highly pressurized gas you will breathe as you dive. There are two main types of scuba tanks: aluminum tanks and steel tanks.

Aluminum Scuba Tanks

Aluminum tanks for scuba diving are usually a bit less expensive than their steel counterparts. They also weigh less thanks to their thinner walls. This weight savings unfortunately also means that aluminum tanks are less durable and can’t withstand as much internal pressure.

When an aluminum tank is full, it’s actually negatively buoyant, so it helps you stay below the surface. But as you use up your air, the tank will want to float.

Steel Scuba Tanks

If you have a bigger budget to work with, you may want to consider a steel scuba tank. Steel tanks are much more durable and they have thicker walls. As a result, they can accommodate gas at a higher pressure, allowing you to typically take longer dives with a steel tank.

Steel dive tanks are also more prone to cumulative damage from the salt water, so you should regularly check and service your tank to manage corrosion and rust.

Scuba Tank Capacities

A scuba tank’s capacity is measured in cubic feet. A standard-size tank is 80 cubic feet, but you can also choose tanks as small as 23 cubic feet all the way up to 133 or 149 cubic feet.

Scuba Tank Valves

Your scuba tank valve connects your tank to the first-stage regulator. There are three common types of scuba valves: J valves, K valves, and DIN valves.

J valves are the most traditional style and have been around the longest, though they’re far less common than they once were.

K valves are the most common type of valve—especially among American divers—because they’re incredibly easy to use.

DIN valves are used most often by European divers. However, they’re gaining popularity around the globe because they’re more dependable at greater depths than other types of valves.

Reliable Gear for Every Dive

When it comes to selecting new dive tanks, valves, and manifolds, it’s a good idea to invest in gear by industry-leading brands. Aqua, Faber, H-2Odyssey, and XS Scuba are big names in the diving world because of their reliable products that help keep you safe.