★★★★★ 5
Perfect fit
Fit my car perfectly and good quality filter.
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Reviewed in the United States on March 1, 2026
Adafruit SCD-40 - True CO2, Temperature and Humidity Sensor - STEMMA QT / Qwiic
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Adafruit SCD-40 - True CO2, Temperature and Humidity Sensor - STEMMA QT / QwiicThe SCD 40 is a photoacoustic "true" CO2 sensor that accurately measures the concentration of carbon dioxide (CO2) in ambient air. Unlike sensors like the SGP30, which approximate CO2 levels from VOC gas concentration, the SCD 40 directly measures CO2 in parts per million (PPM), making it a reliable tool for environmental sensing, air quality monitoring, scientific experiments, and ventilation studies. While it is larger and more expensive than some
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- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.3 ★★★★★
Based on 1750 reviews
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Product Reviews
★★★★★ 5
Satisfied with my purchase!
Well made, fit perfect and decent price.
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Reviewed in the United States on September 1, 2025
★★★★★ 4
New
Looks great no issues with the product am happy with it
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Reviewed in the United States on August 3, 2025
★★★★★ 5
Convenient and economical
I can't believe that I've paid $60+ for years to have my filter replaced. The money that I've spent is mind blowing.
The replacement actually takes 2 minutes! Quality is amazing and it lasts just as long (maybe longer) the dealer's and repair shops version.
Helpful tip: Do it yourself for far less.
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Reviewed in the United States on October 17, 2024
★★★★★ 5
That it fits
Just as good as the factory and over half cheaper
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Reviewed in the United States on April 30, 2026
