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10 bestX Sense Carbon Monoxide Detectorsof February 2025

112M consumers helped this year.

1

First Alert CO615A Carbon Monoxide Plug-In Alarm with Battery Backup and Digital Display
First Alert CO615A Carbon Monoxide Plug-In Alarm with Battery Backup and Digital Display

First Alert

9.7

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12% off

2

First Alert CO400A Battery Powered Carbon Monoxide Alarm
First Alert CO400A Battery Powered Carbon Monoxide Alarm

First Alert

9.4

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3

Natural Gas Detector, TopTes PT205 Gas Leak Detector with Audible & Visual Alarm, Propane Leak Detector with%LEL Value of Methane, Butane, and Combustible Gas for Home, RV (Includes Batteryx2)-Orange
Natural Gas Detector, TopTes PT205 Gas Leak Detector with Audible & Visual Alarm, Propane Leak Detector with%LEL Value of Methane, Butane, and Combustible Gas for Home, RV (Includes Batteryx2)-Orange

TOPTES

9.2

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4

X-Sense 10 Year Battery (Not Hardwired) Smoke and Carbon Monoxide Detector with Display, Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, SC01
X-Sense 10 Year Battery (Not Hardwired) Smoke and Carbon Monoxide Detector with Display, Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, SC01

X-Sense

8.9

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5

TOPENS TEW3 Car Vehicle Sensor Exit Wand for Gate Opener
TOPENS TEW3 Car Vehicle Sensor Exit Wand for Gate Opener

TOPENS

8.6

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Lunarlipes Carbon Monoxide Detectors, Portable CO Detector with Temperature Sensor ＆ LCD Backlight Screen, Handheld Carbon Monoxide Meter Tester 0-1000PPM Range, Indoor/Oudoor (Includes Battery x3)

Lunarlipes Carbon Monoxide Detectors, Portable CO Detector with Temperature Sensor ＆ LCD Backlight Screen, Handheld Carbon Monoxide Meter Tester 0-1000PPM Range, Indoor/Oudoor (Includes Battery x3)

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XLA Alert Portable 4 Gas Detector | O2,CO,H2S,LEL | Multi Gas Monitor Meter Tester | Human Voice Broadcast Alarm | USB Recharge

XLA Alert Portable 4 Gas Detector | O2,CO,H2S,LEL | Multi Gas Monitor Meter Tester | Human Voice Broadcast Alarm | USB Recharge

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Kidde Carbon Monoxide Detector with 10-Year Battery, Digital Display, 3 LEDs, Replacement Indicator, Peak Level Memory

Kidde Carbon Monoxide Detector with 10-Year Battery, Digital Display, 3 LEDs, Replacement Indicator, Peak Level Memory

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CEKKIENA [3-in-1] Carbon Monoxide Detector Portable Mini Air Quality Monitor with Lanyard Alarm CO Gas Meter Temperature Humidity Sensor Built-in 1000mAh Battery, Indoor/Outdoor (Orange)

CEKKIENA [3-in-1] Carbon Monoxide Detector Portable Mini Air Quality Monitor with Lanyard Alarm CO Gas Meter Temperature Humidity Sensor Built-in 1000mAh Battery, Indoor/Outdoor (Orange)

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6

Newentor CO2 Monitor Indoor, Carbon Dioxide Detector with Alert, Large Digital CO2 Sensor Portable, Carbon Dioxide Meter with Temperature Humidity and Alarm Clock, 400-5000ppm
Newentor CO2 Monitor Indoor, Carbon Dioxide Detector with Alert, Large Digital CO2 Sensor Portable, Carbon Dioxide Meter with Temperature Humidity and Alarm Clock, 400-5000ppm

Newentor

8.3

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7

ECOWITT WH45 Indoor 5-in-1 Air Quality Sensor, with PM2.5 / PM10 / CO2 / Temperature/Humidity Detection Sensor, 915 MHz - Sensor Only, Can Not Be Used Alone
ECOWITT WH45 Indoor 5-in-1 Air Quality Sensor, with PM2.5 / PM10 / CO2 / Temperature/Humidity Detection Sensor, 915 MHz - Sensor Only, Can Not Be Used Alone

ECOWITT

8.0

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8

Ecowitt WH46 Indoor Air Quality Sensor, NDIR CO₂ and PM2.5 Haze Sensor, CO₂/PM1.0/PM2.5/PM4.0/PM10/Temperature/Humidity 7-in-1, 915 MHz
Ecowitt WH46 Indoor Air Quality Sensor, NDIR CO₂ and PM2.5 Haze Sensor, CO₂/PM1.0/PM2.5/PM4.0/PM10/Temperature/Humidity 7-in-1, 915 MHz

ECOWITT

7.7

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9

BOSEAN Carbon Monoxide Detector, Co Gas Monitor with Audio, Light Flashing, and Vibration Alarm, Rechargeable Gas Tester with Temperature, LED Screen Backlight, and Backclip Dsign
BOSEAN Carbon Monoxide Detector, Co Gas Monitor with Audio, Light Flashing, and Vibration Alarm, Rechargeable Gas Tester with Temperature, LED Screen Backlight, and Backclip Dsign

MOESAPU

7.4

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10

First Alert CO400 Carbon Monoxide Detector, Battery Operated, 2-Pack
First Alert CO400 Carbon Monoxide Detector, Battery Operated, 2-Pack

First Alert

7.1

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