Reconditioned 4 lb. Steel CO2 Cylinder

This slim recertified 4 lb. steel CO2 cylinder is just the right size for when space is limited. We also add a new coat of gray rust-resistant paint to your freshly refurbished carbon dioxide tank. With a 4 lb. capacity, these are a great little on-the-go cylinder to have on hand for your smaller, but just as important jobs. Reconditioned cylinders offer a price point that allows you to stock up for when business picks up. And you can rest easy knowing your reconditioned cylinder is hydro tested at a DOT-approved testing facility within 24 months of shipment.

Carbon dioxide is best suited for steel in welding applications, and is especially useful in metal insert gas (MIG) welding because it increases weld speed, penetration and mechanical properties.

Premium Construction

  • Reconditioned
  • High-quality steel body
  • Gray, rust-resistant painted finish
  • CGA 320 CO2 valve installed

Specifications, Testing, and Approvals

  • Approximately 4″ in diameter x 20″ in height* (with valve) Note: due to differences between manufacturers, cylinder height may vary by +/- several inches.
  • Weighs approximately 11 lbs.
  • 1800 PSI service / 3000 PSI test pressure
  • DOT-approved
  • Hydro test within 24 months of shipment
  • 10-year retest interval
  • Applications: beverage dispensing, industrial, welding, scientific, hydroponic, aquatic, and special effects
  • Ships empty

Please Note: All CO2 cylinders are sourced from several manufacturers. As a result, cylinders may vary in dimensions. We apologize, but we are unable to take special requests at this time.

Find this CO2 cylinder and other top-quality CO2 tanks on the CO2 cylinder page.

Questions? Please see our frequently asked questions page.

Still have questions? Email us at [email protected].

Product note: compressed gas cylinders can be dangerous if used improperly. Please be careful, know the correct procedures for use, and exercise caution when connecting and using any compressed gas device.

Weight 12 lbs
Dimensions 5 × 5 × 21 in
Gas Type

CO2

Material

Steel

Finish

Painted Gray

Valve

CGA320

Approval

DOT, TC

Service Pressure

1800 PSI / 124 bar

Test Pressure

3000 PSI / 207 bar

Ships

Empty

Condition

Refurbished

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Fast Shipping

Gas Cylinder Source knows you need your product now, which is why we offer super-fast shipping and even have an express option. We also recognize shipping charges can play a significant role in a purchase, and that is why we do everything we can to keep shipping rates as low as possible. We do not inflate the price of our products as a mask for free shipping offers. Our product prices are set at the best pricing we can offer, and the amount charged for shipping covers the shipping and delivery of your order. We believe this transparency in costs is the best way to keep you well-informed while receiving the best price available.

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Residential vs Commercial Address
Initial shipping charges calculated in the Shopping Cart are figured using a residential shipping rate unless you have previously entered a commercial address in the ship-to field during a previous checkout session. Deliveries to a commercial address are typically cheaper than deliveries to a residential address and will be reflected on the checkout page once the full address has been entered and the system confirms it is a commercial address.

LTL Freight Shipments
For larger freight or custom orders, we ask you to allow for a 7-10 business day lead time for product preparation and shipping set up. A customer service representative may reach out to you requesting additional information such as liftgate needs, receiving hours, or other order details. Once your order has shipped, you will receive tracking information. LTL Freight Costs will be calculated on the day of shipment and may vary from your initial estimate, resulting in additional charges.

Time to Ship
Product is shipped from Minnesota. Transport time is usually between 1 and 5 days. Orders typically ship out the following business day after the order has been placed. Larger orders, and especially those going via a contracted freight service, may take additional time.

Order Tracking
Once your order has been shipped, an email will be sent to you with tracking details as well as a link you can use to track your shipment and find estimated delivery information.