Oct 12
APEC ROTL-600-PH-A Tankless Reverse Osmosis System 3-Stage Water Filter System with pH+, Pure Alkaline Water Filter, Smart Replacement Reminder, Easy DIY Install/Maintenance
20% Off
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Extech CO100 Air Quality Carbon Dioxide Monitor
42% off — $57.49 — at Amazon
$57.49$99.0042% OFF
Price as of October 12, 2026 at 9:00 PM
- Checks for Carbon Dioxide (CO2) concentrations
- User-adjustable high/low alarms
- Maintenance free NDIR (non-dispersive infrared) CO2 sensor
- Indoor Air Quality displayed in ppm with Good (0 to 800ppm), Normal (800 to 1200ppm), Poor (>1200ppm) indication
- Checks for Carbon Dioxide (CO2) concentrations
- User-adjustable high/low alarms
- Maintenance free NDIR (non-dispersive infrared) CO2 sensor
- Indoor Air Quality displayed in ppm with Good (0 to 800ppm), Normal (800 to 1200ppm), Poor (>1200ppm) indication
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$57.49
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