ResOne
ResOne Hardened Medical Oxygen Cylinder Wrench For CGA-870 Post Valves Durable Hard Nylon Plastic Five Pack Essential Tank Key
ResOne Hardened Medical Oxygen Cylinder Wrench For CGA-870 Post Valves Durable Hard Nylon Plastic Five Pack Essential Tank Key
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Product features
Product features
Materials and care
Materials and care
[Generic] High-Density Hardened Nylon Polymer, Reinforced Plastic Composite
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- Directly Sourced From USA
- Premium Quality & Authenticity
- 7 Day Easy Return

Product Description
The ResOne Hardened Medical Oxygen Cylinder Wrench is a critical accessory for anyone managing respiratory health needs. Specifically engineered to fit CGA-870 post valves, these wrenches are essential for the secure opening and closing of portable medical oxygen tanks, including M2, A, B, C, D, and E models. While standard plastic wrenches often fail under pressure, these are crafted from high-grade hardened nylon plastic, offering significantly more durability and a reliable grip for frequent use.
Designed for healthcare professionals, emergency responders, and home care patients, this five-pack ensures you always have a spare key available when it matters most. The ergonomic design allows for precise adjustments without the weight or clanking of heavy metal tools. Whether you are maintaining a personal supply or managing equipment in a clinical setting, these imported USA-quality wrenches provide the peace of mind that your oxygen delivery system is handled with safety and precision.
FAQ
Q1. What is an oxygen tank wrench used for?
Ans: An oxygen tank wrench, or cylinder key, is used to open and close the valve on portable medical oxygen tanks. It allows users to securely adjust the regulator and manage oxygen flow safely.
Q2. Will this wrench fit Indian oxygen cylinders?
Ans: Yes, this wrench is designed for CGA-870 post valves, which are the standard valve type for portable medical oxygen cylinders used worldwide, including those found in India.
Q3. Why is hardened nylon preferred over standard plastic?
Ans: Hardened nylon is more rigid and resistant to cracking compared to standard ABS plastic. This ensures the wrench does not slip or break when applying the torque necessary to open a tight valve.
Q4. Is this ResOne wrench an authentic imported product?
Ans: Yes, all ResOne accessories sold on Rudra Retails are authentic USA imports. We source directly from the United States to ensure Indian customers receive genuine, high-quality medical grade supplies.
Q5. Can these be used for industrial gas tanks?
Ans: These wrenches are specifically sized for CGA-870 medical post valves. They are not intended for larger industrial cylinders which typically require a different size or metal wrench.