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|  | Kidde Hardwired Smoke & Carbon Monoxide Detector, Aa Battery 2 Pack Damaged Box $73.08 | |
 | Carbon Monoxide & Natural Gas Alarm New Factory Sealed model Mcn108 $50.00 | |
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|  | Nest Labs Protect 05C Smoke & Carbon Monoxide Gas Detector Alarm Expired $39.99 | |
 | Siterwell Smoke Alarm And Carbon Monoxide Detector With Lcd Display, Dual Sensor $28.99 | |
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|  | Nest Labs Protect 05C Smoke & Carbon Monoxide Gas Detector Alarm $79.99 | |
 | Google Nest Protect - 2nd Generation, White - Wired - Lifespan Varys up to 3yrs $129.99 | |
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|  | 🔥Smoke and Carbon Monoxide Detectors Plug in Wall, 4-in-1 Co Detector $29.99 | |
 | Kidde Firex Gas & Carbon Monoxide Detector Propane Natural Methane Explosive $45.00 | |
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|  | X-Sense Xp02-Ar Hardwired Smoke And Carbon Monoxide Alarm With Voice $22.99 | |
 | Kidde Detect Smoke & Carbon Monoxide Alarm Detector 2 Pk 30Cud10 Open box New $39.99 | |
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|  | Kidde P3010Cu 10-Year Worry Free Combination Smoke and Carbon Monoxide Detector $39.99 | |
 | New ListingKidde Kitchen Intelligent Multi Sensor Alarm Carbon Monoxide & Smoke P3010K-Co $19.99 | |
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|  | Kidde Carbon Monoxide Detector, Propane, Natural, Methane, & Explosive Gas $54.95 | |
 | Usi Carbon Monoxide & Natural Gas Detector, 120V Hardwired w/ Battery (B⁴) $85.00 | |
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|  | Siterwell Combo Smoke Carbon Monoxide Detector Alarm Hardwired A8612B-6Ar $24.99 | |
 | New ListingKidde P3010Cu 10-Year Worry Free Combination Smoke and Carbon Monoxide Detector $31.99 | |
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|  | 2pack Kidde Smoke & Carbon Monoxide Alarm Detector Battery 30Cudr $49.99 | |
 | Kidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Voice $61.39 | |
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|  | Carbon Monoxide Gas Smoke Alarm 2in1 Digital Display and Sound and Light Alarm $29.99 | |
 | Kiddie 30Cuar Comb Photoelec Smoke &Carbon Monoxide Alarm Hardwired 2Aa Backup $29.50 | |
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|  | 2-Pack 5 in1 Carbon Monoxide Smoke Combustible Gas Detector Portable Plug in New $79.95 | |
 | Kidde Hardwired Smoke & Carbon Monoxide Detector, Aa Battery Backup, $48.01 | |
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|  | Portable 5-in-1 Carbon Monoxide,Smoke & Gas Alarm–Hd Display, Home & Travel Use $39.99 | |
 | 5-in-1 Plug in Gas & Smoke & Carbon Monoxide Detector, Combination Co Alarm with $28.00 | |
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|  | 1 count Kidde Smoke & Carbon Monoxide Detector, 10-Year Battery, Voice Alerts $48.41 | |
 | New ListingKidde Kn-Coeg-3 Explosive Gas & Carbon Monoxide Alarm + I9040 Smoke Alarm New $34.99 | |
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|  | Kidde Smoke & Carbon Monoxide Detector, 10-Year Battery, Voice Alerts , 1 Count $56.99 | |
 | Smoke Detector Carbon Monoxide Gas Alarm, Fire Carbon Monoxide (Co). Fast Ship $35.99 | |
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|  | 2Pk Kidde Smoke & Carbon Monoxide Detector, 10-Year Battery Powered Voice Alerts $49.95 | |
 | 🔥Kidde 2025 Smoke & Carbon Monoxide Detector, 10-Year Battery Powered, Led Warn $94.98 | |
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|  | New First Alert 2-In-1 Smoke & Carbon Monoxide Alarm Detector, Battery Operated $30.00 | |
 | Siterwell WiFi Smoke Detector, Smart Smoke and Carbon Monoxide Detector with $49.99 | |
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|  | Kidde P3010K-Co Smoke & Carbon Monoxide Detector Alarms $28.00 | |
 | Kidde Detect Smoke & Carbon Monoxide Alarm Detector 2 Pk 30Cudr Open box $49.99 | |
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|  | 2pack Kidde Smoke & Carbon Monoxide Alarm Detector Battery 30Cudr New $55.00 | |
 | First Alert Battery-Powered Ionization Smoke and Carbon Monoxide Detector $40.95 | |
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|  | Kidde Gas & Carbon Monoxide Alarm Detector New in Sealed Packaging with Battery $37.99 | |
 | Kidde P3010Cu 10-Year Worry Free Combination Smoke and Carbon Monoxide Alarm $29.23 | |
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|  | Kidde Smoke & Carbon Monoxide Detector, 10-Year Battery Powered-2 Pack $38.24 | |
 | Monoxide Detectors Monoxide Gas Alarm Smoke Home, Office with Voice Alert Usa $24.92 | |
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|  | Kidde Kn-Coeg-3 Plug-in Carbon Monoxide Explosive Gas & Smoke Alarm Set New $69.99 | |
 | First Alert Explosive Gas Carbon Monoxide Propane Methane Alarm 3-in-1 Detection $32.00 | |
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|  | DeNova Detect 2-in-1 Natural Gas & Co Detector - 10 Year Battery - Dd623Ncv $60.00 | |
 | Nest Protect Smoke & Carbon Monoxide Gas Detector Alarm Expired 07/2025 (Pair) $49.99 | |
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|  | Kidde Nighthawk Carbon Monoxide Detector & Propane, Natural, & Explosive Gas Det $99.95 | |
 | First Alert Hardwired Photoelectric Smoke & Carbon Monoxide Alarm 1Pc Sealed $45.00 | |
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|  | Kidde Explosive Gas Carbon Monoxide Smoke Alarm Value Pack Digital Display New $48.87 | |
 | Nest Labs Protect 05C Smoke & Carbon Monoxide Gas Detector $50.00 | |
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|  | Siterlink Smart Smoke And Carbon Monoxide Detector Combo, 2 In 1 Wifi 2.4g Fire $23.99 | |
 | Kidde Smoke & Carbon Monoxide Detector, 10-Year Battery Powered 2Pk - Open Box $59.99 | |
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|  | 1 Pack Kidde Smoke & Carbon Monoxide Detector, Aa Battery Powered, Led Warning $47.56 | |
 | Brk Battery-Powered Ionization Smoke and Carbon Monoxide Detector $40.95 | |
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|  | Kidde Smoke & Carbon Monoxide Detector, Aa Battery Powered, Led Warning Light $185.00 | |
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| Click to see more Carbon Monoxide Detectors items at www.ebay.com
Prices current as of last update, 07/11/25 3:49pm.
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