22 HOBBIES Air Quality Monitor Indoor,8-in-1 Smart Air Quality Tester with CO2, TVOC, HCHO, AQI, Temperature & Humidity, Real Time Display, Battery Powered, for Home & Office(White)

$46.99

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Temtop P1 Air Quality Monitor, PM2.5/PM10/Temperature/Humidity Sensor with Bluetooth App, AQI Tracking & Portable Design for Home, Office, Car, and Travel Use

$42.49

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Aranet4 Home: Wireless Indoor Air Quality Monitor for Home, Office or School [CO2, Temperature, Humidity and More] Portable, Battery Powered, E-Ink Screen, App for Configuration & Data History

$189.00

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Smart Air Quality Monitor Indoor, WiFi Air Quality Tester with APP Remote Control for AQI CO2 PM2.5 HCHO TVOC Temperature Humidity, Wall-Mounted Air Detector for Home Office – Black

$69.99

Amazon.com

bonoch 16 in 1 Air Quality Monitor Indoor 7" Display 9 AQI+7 Alerts, CO2 Monitor Air Quality Tester for CO2, TVOC, PM2.5 PM1.0 PM10, HCHO Temperature Humidity AQI & Time Air Quality Meter for Home

$119.99

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Airthings 2960 View Plus - Battery Powered Radon & Air Quality Monitor (PM, CO2, VOC, Humidity, Temp, Pressure)

$329.99

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KDWKD Indoor Air Quality Monitor for Home, CO2 Detector with PM2.5 PM10, Formaldehyde TVOC Sensor, AQI Temperature Humidity Display (Black)

$99.99

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Temtop M10+ WiFi Air Quality Monitor, Rechargeable CO2 Detector with PM2.5 TVOC AQI Temperature and Humidity, 6-in-1 Indoor Pollution Meter with App Control, Data Export, E-Ink Screen for Home Office

$110.49

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Air Quality Monitor Indoor, 10-in-1 Portable Smart Air Quality Tester for CO2 | TVOC | HCHO | AQI | PM2.5 | PM1.0 | PM10 | Temperature | Humidity and Time for Home, Office, Cars, Hotel, School

$29.99

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FreAire Air Purifiers for Home Large Rooms up to 1800Ft², VisionAir 20dB Sleep Mode HEPA Air Purifier for Bedroom, with Real-Time AQI & PM2.5 Display, 360°Intake & Outlet Air Cleaner for Pets, HAP606

$99.99

Amazon.com