Looking for an E size oxygen cylinder that fits your portable needs and medical requirements? This guide highlights five reliable E-size oxygen tanks or kits, focusing on portability, safety, and ease of use. It’s ideal for caregivers, patients needing on-the-go oxygen, or facilities evaluating compact medical oxygen solutions. The top picks emphasize non-sparking designs, lightweight aluminum construction, and ready-to-fill or shipped-empty configurations to match different filling workflows.
Summary table of selected products
| Product | Best For | Notable Feature | Notes |
|---|---|---|---|
| ResOne Portable Aluminum Medical Oxygen Cylinder | Travel and everyday carry | Pre-installed CGA-870 post valve, non-sparking | Ships empty to fill locally |
| Medfex Oxygen Tank Complete Set | Home and rolling cart use | 680 L capacity, rolling cart, regulator included | Shipped empty, prescription fill |
| Dynarex Resp-O2 M24 Oxygen E-Cylinder | Longevity and portability | 680 L capacity, lightweight aluminum | 4.6 L cylinder size |
| ICS Industries Medical Oxygen Cylinder | Medical facilities with filling workflow | GCA870 Post Valve, ME size | Shipped empty, prescription required |
| Medical Oxygen Cylinder with CGA870 Toggle Valve | General home/clinic use | 4.4″ x 25.3″ aluminum, green dome | DOT tested and certified |
ResOne Portable Aluminum Medical Oxygen Cylinder

The ResOne E Size aluminum cylinder provides 24.1 cubic feet of oxygen and features a CGA-870 post valve. Its non-sparking construction and green dome signal medical-grade safety and compliance, making it suitable for home use and travel. The unit is designed to be lightweight for easy handling and transport, with a compact height of about 24.9 inches and a 4.4-inch diameter.
Best for: Individuals who need portable oxygen on the go or for caregivers seeking a compact, travel-friendly option. This tank is better for users who prioritize safety features and a ready-to-use post valve configuration.
Limitations: Ships empty, requiring local filling. This means you’ll need access to a provider that can fill CGA-870 tanks before use.
Medfex Oxygen Tank Complete Set

The Medfex kit comes with a USA-made 680-liter capacity E-size tank, a toggle valve for easy flow control, and a rolling wheeled cart to simplify transport. The regulator supports 0-8 liters per minute, enabling flexible oxygen delivery suited for home or mobile use. Tank ships empty and requires prescription to fill.
Best for: Users seeking a complete mobile oxygen solution with a cart and adjustable regulator for home or on-the-go therapy. Choose this if you want integrated transport and adjustable output from a single kit.
Caution: Ensure access to a local oxygen fill facility, as the tank ships empty and needs proper filling before first use.
Dynarex Resp-O2 M24 Oxygen E-Cylinder

The Dynarex M24 E-cylinder weighs less than traditional steel tanks due to its brushed aluminum construction, offering up to 40% lighter portability. It has a 680-liter capacity (24 cubic feet) and includes a durable outer finish to guard against wear during daily use. The CGA870 toggle valve supports straightforward oxygen flow management.
Best for: Patients and caregivers prioritizing portability without sacrificing capacity. It’s a strong choice for short trips or daily activities requiring reliable oxygen supply.
Limitation: While portable, it remains a filled cylinder that requires periodic refilling at an appropriate facility; plan for refills during extended travel.
ICS Industries Medical Oxygen Cylinder

This E-size ME cylinder uses CGA870 post valve and ships empty, requiring filling by a local provider. It targets users seeking a standard ME-size tank with reliable valve configuration for medical use and compatibility with common fill systems. The product emphasizes a straightforward fill workflow for clinical or home environments.
Best for: Users with access to a local oxygen fill service who prefer a conventional ME-size tank with a standard post valve. It is suitable for medical facilities or home setups with existing fill routines.
Limitation: Requires prescription to fill and must be filled before use; not ready-to-use out of the box.
Medical Oxygen Cylinder with CGA870 Toggle Valve – E Size 24.1 cf

This green-domed, non-sparking aluminum cylinder is designed to meet U.S. Department of Transportation specifications, signaling a focus on safety and compliance. The E-size cylinder measures 4.4 inches in diameter and about 25.3 inches long, offering a compact profile for portable use and easy storage in varied settings.
Best for: Buyers who prioritize DOT-certified construction and a rugged, non-sparking aluminum design for personal or bedside use. It’s a straightforward option for households or facilities needing an E-size tank with a toggle valve.
Caution: As with many shipped-empty options, ensure you secure a filling service before relying on the cylinder for therapy or emergencies.
Buying Guide: Key Factors for Choosing an E-Size Oxygen Cylinder
- Capacity vs. Portability: E-size cylinders typically balance a mid-range oxygen volume with a compact form. Consider your daily usage and travel needs to choose between lightweight aluminum models and larger-volume kits.
- Valve Type: CGA870 post valve and toggle valve options affect ease of use and compatibility with regulators and fill services. Ensure the valve type matches your regulator and local filling practices.
- Shipped Empty vs. Pre-Filled: Shipped-empty tanks require a fill before first use. Pre-filled options may be ready for immediate therapy but can limit your choice of fill locations due to logistics.
- Portability Accessories: Rolling carts or carrying handles can significantly improve transportability. If you plan frequent travel, a kit with a cart reduces handling strain.
- Safety and Compliance: Look for non-sparking aluminum cylinders and DOT or other regulatory certifications. A green dome often signals a medical-grade standard and safer handling in some markets.
- Maintenance and Durability: Anodized or brushed aluminum finishes protect against scratches and corrosion, extending life in busy home or clinical environments.
- Filling Workflow: If you use a local fill service, confirm that the tank size and valve type are compatible with their equipment and regulations.
Frequently Asked Questions
- What does “ships empty” mean for an oxygen cylinder? It means the cylinder arrives unfilled and must be filled at an authorized facility before use.
- Do I need a prescription to fill an E-size oxygen cylinder? In many cases, yes; some tanks require prescription or documentation to fill regulated oxygen cylinders.
- What is CGA870? It is a valve standard (CGA 870) used on medical oxygen cylinders to regulate flow and compatibility with regulators.
- Are aluminum oxygen cylinders safer than steel? Aluminum is non-sparking and lighter, which can improve portability and reduce risk during handling, though both materials require proper handling and storage.
- Can I use any regulator with an E-size cylinder? Regulators must be compatible with the cylinder valve specification (often CGA870). Always verify regulator and valve compatibility before use.
- What should I consider when buying for travel? Look for lightweight aluminum construction, a reliable valve, and a compact height with a matching cart or carrying solution for easy transport.
Add a Comment