CO2 Equipment Market Prices
Current market statistics for CO2 equipment based on 3,391 eBay listings.
What you'll usually pay
💡 Used ones cost about 34% more here.
👉 In short easy summary
Value is highest in CO2 Diffusers, which sit 67% below the market median. Conversely, CO2 Reactors and Cylinders command the highest premiums at 100% above the median.
💚 Best value for your money
Price by type
Why? Prices vary by complexity, from simple Diffusers at 12.99 to Cylinders at 77.76.
Price by brand
Why? Branded options like ISTA are cheaper at 21.42 compared to Unbranded listings at 63.46.
🛒 Some on sale right now
Common questions
What is the median price for a complete CO2 system?
The median price for a Complete CO2 System is 59.99.
Are used CO2 equipment items more expensive than new ones?
Yes, the used median is 50 compared to a new median of 37.23.
Which specific component is the most affordable?
CO2 Diffusers are the most affordable with a median price of 12.99.
How we got these numbers
Worked out from 200 live eBay listings (price range $12–$107, odd outliers ignored). These are asking prices, so use them as a guide. Last checked July 13, 2026.