Price History for Digital CO2 Air Quality Monitor
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Digital CO2 Air Quality Monitor
Ensure optimal air quality with the TRIPLETT GSM215 Desktop Indoor Air Quality CO2 Meter. This versatile tool, ideal for homes, offices, schools, malls, fitness centers and other public areas, provides simultan
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Price History Chart
Recorded price history
| Date | Price |
|---|---|
| Nov 4, 2026 | $154.60 |
| Oct 20, 2026 | $182.04 |
| Oct 18, 2026 | $163.60 |
| Jun 10, 2026 | $285.99 |
| Dec 14, 2025 | $269.83 |
| Nov 21, 2025 | $269.83 |
| Nov 14, 2025 | $269.83 |
| Oct 26, 2025 | $269.83 |
8 recorded prices; last found in Home Depot’s data on Nov 4, 2026. How we track prices
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Analysis
Digital CO2 Air Quality Monitor price analysis
Price analysis for Digital CO2 Air Quality Monitor at Home Depot: today's price of $154.60 is the lowest price we've recorded for this listing.
- The current price of $154.60 is 43% (or $115.23) below the MSRP of $269.83.
- Today's price is 42% below its average daily price over the last 90 days ($264.49).
- The lowest recorded price on PriceWatchPro was $154.60 on November 4, 2026. The current listing is at this all-time low.
- The highest recorded price on PriceWatchPro was $285.99 on June 10, 2026. Today's price is $131.39 below that peak.
- 30-day trend: trending down 5.5% from $163.60 to $154.60.
- Across 7 tracked price changes, the listing has dropped 2 times with an average drop of $74.92.
- PriceWatchPro has been tracking this listing since October 26, 2025 (374 days of price history).
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