CO2 Controller, 0-5000PPM Carbon Dioxide Controller with Human/Plant Mode, 15ft NDIR Probe, LCD Trend Display, Audible Alarm, Day&Night Relay, CO2 Monitor for G

CO2 Controller, 0-5000PPM Carbon Dioxide Controller with Human/Plant Mode, 15ft NDIR Probe, LCD Trend Display, Audible Alarm, Day&Night Relay, CO2 Monitor for Greenhouse, Grow Rooms - by CO2 - from $122.99 - listed at Am

Rated 4.3 out of 5 from 709 retailer reviews.

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This is at or near the highest price we have recorded for it.

• Lowest we have recorded: $119.99
• Highest we have recorded: $122.99
• Current: $122.99
• Based on 2 price checks over 3 days, first seen 2026-08-22.

We only describe prices we have actually observed. A short history means a weaker signal, which is why the number of checks is shown next to the verdict.

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