
Oxygen Cylinders w/ CGA 870 Post Valve
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- Direct manufacturer partnership
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- Ships in 2-4 business days
- Warranty
- Manufacturer-backed warranty
Dynarex aluminum oxygen cylinders with CGA 870 post valves for portable oxygen therapy. M6 (B, 1 L), M9 (C, 1.7 L) and M15 (D, standard) sizes. Lightweight aluminum, sold individually.
- CGA 870 post valve
- M6 / M9 / M15 sizes
- Lightweight aluminum
Bulk & case pricing with fast shipping.
| Brand / Manufacturer | Dynarex |
|---|---|
| SKU | 36393 |
| UPC / GTIN | 840117327511 |
| Category | Oxygen Therapy |
| Size | M6 (B-Cylinder, 1 L), M9 (C-Cylinder, 1.7 L), M15 (D-Cylinder, Standard) |
| Availability | In stock — ships from the USA |
Specifications sourced from the manufacturer. Need a detail that isn't listed? Ask our team →
Free shipping. Most orders ship in 1–2 business days. Larger equipment ships via freight with curbside delivery; white-glove inside delivery & installation is available on eligible items.
30-day returns. Unopened, unused items in original packaging. Change-of-mind returns: customer covers return shipping and a restocking fee may apply.
Damaged or defective? We cover it 100% — a prepaid label and a full refund or free replacement. Report within 7 days with photos.
Manufacturer warranty. Covered by Dynarex's warranty against defects in materials and workmanship. Length varies by product — contact us for exact terms.
Authorized dealer. We buy direct from the manufacturer — never grey-market — so your warranty is always valid.





