Oxygen vs. Entonox Cylinders: A Comparison

1. Cylinder Appearance

Distinguishing Features:

• Oxygen Cylinder: Completely white in color
• Entonox Cylinder: Blue and white chequered neck

2. Cylinder Labeling

Identification Details:

• Oxygen Cylinder: Labeled with "Oxygen" down the side
• Entonox Cylinder: Labeled with "Entonox" or "Nitronox" on the cylinder

3. Size Comparison

Size Distinction:

• Entonox Cylinders are typically slightly smaller than oxygen cylinders.
• Entonox cylinders do not come with a regulator and mask since they are designed for self-administration.

4. Common Components

Shared Cylinder Components:

• Both types of cylinders include a contents gauge, an on/off button, a Schrader valve, and a filling port.
• Notably, Entonox cylinders lack the regulator found on oxygen cylinders.

5. Expiry Dates

Important Dates:

• Both types of cylinders have expiry dates, as they contain drugs.
• Oxygen cylinders generally have a longer lifespan compared to Nitronox or Entonox cylinders and their gas content.