Thunderbird AL-72 Cylinder, Natural Finish
- Preferred for Sidemount, Stage and Deco
- Cylinder and valve are Nitrox Ready
Thunderbird AL-72 Cylinder, Natural Finish
Prices for these cylinders do NOT include free shipping.
Questions? Cylinder FAQ and Valve FAQ
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Some experienced divers prefer the trim characteristics of the Aluminum 72 for stage, deco and sidemount applications. The AL-72 is currently only being manufactured with the "natural" finish. The natural finish is just the appearance of the cylinder immediately after heat treatment when it forms a natural streaked gray aluminum oxide coating that is cosmetically unappealing. The cylinder is brand new and unused, but the natural finish causes the cylinder to appear used.
Dive Gear Express ships your Nitrox Ready cylinder with the valve installed (domestic ground US only). Unless you select no valve, the valve included in our price is a very high quality DGX Premium Pro Valve in your choice of design, plus a DIN/K insert to make the valve suitable for use with both DIN or Yoke regulator fittings. The cylinders ordered with valves have a current month Nitrox Ready decal.
Our "DGX Complete" Setup Includes:
- Nitrox Ready Cylinder
- DGX Premium Pro Valve in choice of design and configuration
- DIN/K Insert for use with Yoke regulator fittings
- Spare O-ring for valve face
- Valve Protector Cap
- Current Nitrox Ready Decal †
† Our shop evidence of inspection 3" X 6" dated decal (aka "VIP sticker") states "this cylinder and valve are suitable for service with compressed gases containing greater than 23.5% oxygen." That means the cylinder and valve, prior to initial use, are oxygen clean and oxygen compatible. If you plan to use this cylinder with gases containing more than 40% oxygen then the upgrade to our DGX Premium Oxygen Valve is suggested. If you select the No Valve / No VIP option, then the VIP decal and dust cap is NOT included.
Questions? Cylinder FAQ and Valve FAQ
| Brand | Thunderbird Cylinders |
|---|---|
| SKU | SPM-AL-72P |
| Weight | 36.000000 |
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Aluminum Cylinders at Dive Gear Express
Features of All Aluminum SCUBA Tanks
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How to Select a SCUBA TankOur factual but easy-to-read article helps you make this big decision by giving you information on:
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SCUBA Tanks must be hydrostatically tested every five years (60 months). The larger primary cylinders typically have a factory hydro date between 3 and 9 months old, but not more than 12 months old. Smaller cylinders may have a factory hydro date up to 24 months old as these are manufactured less frequently.
Our cylinders and valves are Imperial 3/4 NPS neck threads, NOT Metric M25 neck threads, and the valves have overpressure relief devices. The cylinders have US DOT and Canadian CTC markings suitable for use ONLY in North America. Our cylinders and valves are NOT CE approved and NOT suitable for use in the European Union. Cylinders are NOT marked appropriately for use in Australia and New Zealand.
Aluminum Cylinders at Dive Gear Express |
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| Cylinder | Brand† | Service Pressure |
Water Volume |
True Air † Capacity |
Diameter (inches) |
Height * (inches) |
Weight * (pounds) |
Buoyancy ** Full : 500psi (pounds) |
|---|---|---|---|---|---|---|---|---|
| Aluminum 6 | Thunderbird | 3000 psi | ~0.8L | 5.8 ft3 | 3.20 | 11.1 | 2.7 | - 1.4 : - 0.0 |
| Aluminum 13 | Thunderbird | 3000 psi | ~2L | 12.8 ft3 | 4.38 | 13.1 | 6.0 | - 1.8 : - 0.9 |
| Aluminum 19 | Thunderbird | 3000 psi | ~3L | 18.3 ft3 | 4.38 | 18.8 | 8.0 | - 1.3: - 0.1 |
| Aluminum 30 | Thunderbird | 3000 psi | ~4L | 29.1 ft3 | 5.25 | 19.3 | 12.3 | - 1.5 : - 0.0 |
| Aluminum 40 | Thunderbird | 3000 psi | ~5L | 38.8 ft3 | 5.25 | 24.9 | 15.3 | - 0.7: + 2.5 |
| Aluminum 72 | Thunderbird | 3000 psi | ~10L | 69.9 ft3 | 6.89 | 26.0 | 27.8 | - 0.7 : + 2.8 |
| Aluminum 80 | Thunderbird | 3000 psi | ~11L | 77.5 ft3 | 7.25 | 26.1 | 31.5 | - 1.7 : + 3.4 |
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† Metal Impact has been rebranded as Thunderbird, cylinders are otherwise identical. * Height and weight is for cylinder only, i.e. less valve. ** Buoyancy specification is for cylinder and valve in seawater at 500 psi. Specifications are NOMINAL and supplied by Thunderbird Cylinders as of 2022. † Visit Calculating SCUBA Cylinder Free Gas Capacities for more information about True Capacity values. |
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