Pyle Smart Indoor Air Quality Monitor $30 at Amazon

$30 $100

Amazon has the Pyle Smart Indoor Air Quality Monitor (PCO2MT05) on sale for $30 with free shipping on $35+ or with Prime. Measures carbon dioxide, temperature, and humidity. 

$30 retail: $100
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Pyle Smart Indoor Air Quality Monitor at Amazon

Posted 04/17/2026 in Smart Home