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    Best Seller
    KIDDE 9C05-LP2 Carbon Monoxide Alarm, Electrochemical Sensor, 85 dB @ 10 ft

    KIDDE 9C05-LP2 Carbon Monoxide Alarm, Electrochemical Sensor, 85 dB @ 10 ft

    Carbon Monoxide Alarm, Battery Chemistry Alkaline, Battery Location Back, Battery Locking Pin No, Battery Size AA, Communication Protocol Not Applicable, Compatible With Not Applicable, Detector Type CO Detector, Features Red Pulses During Alarm and... more

    $33.15

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    Kidde 08872 - Battery Operated Basic Carbon Monoxide Alarm (3 AA Batteries Included) (21025778 KN-COB-LP2 (9CO5-LP2))

    Kidde 08872 - Battery Operated Basic Carbon Monoxide Alarm (3 AA Batteries Included) (21025778 KN-COB-LP2 (9CO5-LP2))

    Kidde Battery Operated - Basic | Kidde Carbon Monoxide Alarm / Detector (3 AA Batteries Included) (21025778 KN-COB-LP2 (9CO5-LP2) 08872) more

    $29.79

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    Best Seller
    SYSTEM SENSOR CO1224TR Carbon Monoxide Alarm,12/24 VDC, 4-Wire

    SYSTEM SENSOR CO1224TR Carbon Monoxide Alarm,12/24 VDC, 4-Wire

    Carbon Monoxide Alarm, Battery Chemistry Not Applicable, Battery Location Not Applicable, Battery Locking Pin No, Battery Size Not Applicable, Communication Protocol Not Applicable, Compatible With 4 Wire Fire Alarm System, Detector Type CO Detector,... more

    $92.59

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    Kidde Carbon Monoxide Alarm AC Powered Plug-In with Battery Backup KN-COB-DP2. 2 Pack

    Kidde Carbon Monoxide Alarm AC Powered Plug-In with Battery Backup KN-COB-DP2. 2 Pack

    Home Pack: 2 Kidde Carbon Monoxide Alarm AC Powered Plug-In with Battery Backup KN-COB-DP2. These Carbon Monoxide detectors are the perfect tool to detect Carbon Monoxide. more

    $45.68 $31.50

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    Kidde 25759 - 120 volt Plug-In Carbon Monoxide Alarm with Battery Backup (AA Batteries Included) (21025759 KN-COB-DP2)

    Kidde 25759 - 120 volt Plug-In Carbon Monoxide Alarm with Battery Backup (AA Batteries Included) (21025759 KN-COB-DP2)

    Kidde 120 volt - AC - Plug-In | Kidde Carbon Monoxide Alarm / Detector with Battery Backup (AA Batteries Included) (21025759 KN-COB-DP2 25759) more

    $39.09

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    Kidde 01020 - Battery Operated Hush� Carbon Monoxide & Smoke Alarm with Voice Alarm (2 AA Batteries Included) (900-0102A KN-COSM-BA)

    Kidde 01020 - Battery Operated Hush� Carbon Monoxide & Smoke Alarm with Voice Alarm (2 AA Batteries Included) (900-0102A KN-COSM-BA)

    Kidde Battery Operated - Hush� | Kidde Combination Carbon Monoxide & Smoke Alarm / Detector with Voice Alarm (2 AA Batteries Included) (900-0102A KN-COSM-BA 01020) more

    $59.09

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    Kidde 10031 - 9v Battery Operated Combination Carbon Monoxide and Smoke Alarm (21027445 KN-COPE-D)

    Kidde 10031 - 9v Battery Operated Combination Carbon Monoxide and Smoke Alarm (21027445 KN-COPE-D)

    Kidde 9 volt - Battery Operated - Photoelectric / Electrochemical Sensor | Kidde Carbon Monoxide / Smoke Alarm (21027445 KN-COPE-D 10031) more

    $61.59

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    Kidde 10071 - Worry-Free Kitchen Smoke / Carbon Monoxide Alarm with Sealed Lithium Battery (21010071 P3010K-CO)

    Kidde 10071 - Worry-Free Kitchen Smoke / Carbon Monoxide Alarm with Sealed Lithium Battery (21010071 P3010K-CO)

    Kidde Photoelectric Sensor - Worry-Free - Kitchen | Kidde Smoke / Carbon Monoxide Alarm with Sealed Lithium Battery (21010071 P3010K-CO 10071) more

    $65.99

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    Kidde 08873 - Battery Operated Digital Display Carbon Monoxide Alarm (3 AA Batteries Included) (21008873 KN-COPP-B-LPM)

    Kidde 08873 - Battery Operated Digital Display Carbon Monoxide Alarm (3 AA Batteries Included) (21008873 KN-COPP-B-LPM)

    Kidde Battery Operated - Digital Display | Kidde Carbon Monoxide Alarm / Detector (3 AA Batteries Included) (21008873 KN-COPP-B-LPM 08873) more

    $41.59

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    Kidde 00760 - 120 volt Digital Display Plug-In Carbon Monoxide Alarm with Battery Backup (9V Battery Included) (900-0076-01 KN-COPP-3)

    Kidde 00760 - 120 volt Digital Display Plug-In Carbon Monoxide Alarm with Battery Backup (9V Battery Included) (900-0076-01 KN-COPP-3)

    Kidde 120 volt - AC - Plug-In - Digital Display | Kidde Carbon Monoxide Alarm / Detector with Battery Backup (9V Battery Included) (900-0076-01 KN-COPP-3 00760) more

    $61.59

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    Google Nest Protect Battery-Powered Smoke and Carbon Monoxide Alarm (White, 2nd Generat S3000BWES

    Google Nest Protect Battery-Powered Smoke and Carbon Monoxide Alarm (White, 2nd Generat S3000BWES

    Authorized Google Nest USA Dealer! Read 496.00 User Reviews on the Protect. Buy today from...

    Free Shipping! Google Nest Protect Battery-Powered Smoke and Carbon Monoxide Alarm (White, 2nd Generation) Smart Smoke and CO Detection, Receive Alerts on Smart Devices, Detects Fast & Slow Burning Fires, Powered By Six AA Batteries, Wi-Fi & Bluetooth... more

    $129.00

    FREE shipping

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    BRK SC7010LBLV Smoke and Carbon Monoxide Alarm, Photoelectric Sensor, 85 dB @

    BRK SC7010LBLV Smoke and Carbon Monoxide Alarm, Photoelectric Sensor, 85 dB @

    Smoke and Carbon Alarm more

    $76.15

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    UNIVERSAL / USI ELECTRIC MCN108 Carbon Monoxide and Gas Alarm, Semiconductor

    UNIVERSAL / USI ELECTRIC MCN108 Carbon Monoxide and Gas Alarm, Semiconductor

    Carbon Monoxide and Gas Alarm, Battery Chemistry Alkaline, Battery Location Front, Battery Locking Pin Yes, Battery Size Not Applicable, Detector Type Explosive Gas/CO Detector, Features Patented Quick Find Alarm Origination Feature easily identifies... more

    $41.19

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    KIDDE KN-COB-B-LP Carbon Monoxide Alarm, Electrochemical Sensor, 85 dB @ 10 ft

    KIDDE KN-COB-B-LP Carbon Monoxide Alarm, Electrochemical Sensor, 85 dB @ 10 ft

    Carbon Monoxide Alarm, Battery Chemistry Alkaline, Battery Location Back, Battery Locking Pin No, Battery Size AA, Communication Protocol Not Applicable, Compatible With Not Applicable, Detector Type CO Detector, Features Features End Of Life Alarm,... more

    $29.85

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    MTI Industries 35-742-BR Safe-T-Alert 35 Series 12V Brown Flush Mount Dual RV Propane/LP & Carbon Monoxide Alarm

    MTI Industries 35-742-BR Safe-T-Alert 35 Series 12V Brown Flush Mount Dual RV Propane/LP & Carbon Monoxide Alarm

    Meets 1/1/05 requirements set by RVIA for CO alarms and Propane detectors. more

    $69.35

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    First Alert Carbon Monoxide Alarm, BRK Carbon Monoxide Detector

    First Alert Carbon Monoxide Alarm, BRK Carbon Monoxide Detector

    The BRK Model CO250B is a basic carbon monoxide alarm designed to provide early warning of the presence of carbon monoxide. more

    $29.49

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    Google Nest Protect Wired Smoke and Carbon Monoxide Alarm (White, 2nd Generation) S3003LWES

    Google Nest Protect Wired Smoke and Carbon Monoxide Alarm (White, 2nd Generation) S3003LWES

    Authorized Google Nest USA Dealer! Read 503.00 User Reviews on the Protect Wired. Buy toda...

    Free Shipping! Google Nest Protect Wired Smoke and Carbon Monoxide Alarm (White, 2nd Generation) Smart Smoke and CO Detection, Receive Alerts on Smart Devices, Detects Fast & Slow Burning Fires, Wired Installation with Battery Backup, Wi-Fi & Bluetooth... more

    $129.00

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    BRK First Alert - SCO2B Battery Powered Smoke & Carbon Monoxide Alarm

    BRK First Alert - SCO2B Battery Powered Smoke & Carbon Monoxide Alarm

    As one of the most intelligent BRK smoke detectors, the BRK SCO2B model is an electrochemical battery-powered smoke and carbon monoxide alarm. more

    $35.54

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    First Alert Battery Photoelectric Smoke & Carbon Monoxide Alarm in Gray | Wayfair 1039839

    First Alert Battery Photoelectric Smoke & Carbon Monoxide Alarm in Gray | Wayfair 1039839

    The First Alert Battery Photoelectric Smoke and Carbon Monoxide Alarm detects both smoke and carbon monoxide. It is a wireless-enabled battery-operated detector that features an 85-decibel siren plus a voice alarm to let you know where the danger is.... more

    $74.52

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    First Alert Battery Photoelectric Smoke & Carbon Monoxide Alarm in Gray | 5.67 H x 5.67 W x 1 D in | Wayfair 1039868

    First Alert Battery Photoelectric Smoke & Carbon Monoxide Alarm in Gray | 5.67 H x 5.67 W x 1 D in | Wayfair 1039868

    This First Alert Battery Photoelectric Smoke and Carbon Monoxide Alarm with voice and location has a slim profile, designed to blend more fully into the wall and out of sight. The battery-operated smoke and carbon monoxide detector alerts you to... more

    $57.47

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    Kidde 08700 - Battery Operated Carbon Monoxide and Smoke Alarm (21008700 KN-COSM-XRT-BA)

    Kidde 08700 - Battery Operated Carbon Monoxide and Smoke Alarm (21008700 KN-COSM-XRT-BA)

    Kidde Battery Operated - Voice Alarm - Carbon Monoxide and Smoke Alarm | Carbon Monoxide and Smoke Alarm / Detector (21008700 KN-COSM-XRT-BA 08700) more

    $50.99

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    Kidde 26065 - Battery Operated Smoke & Carbon Monoxide Alarm (10 year Battery Included) (21026065 P3010CU)

    Kidde 26065 - Battery Operated Smoke & Carbon Monoxide Alarm (10 year Battery Included) (21026065 P3010CU)

    Kidde Battery Operated - 10-year Sealed Lithium Battery - ClamShell - Smoke & Carbon Monoxide Alarm - Voice Alarm | Kidde Smoke & Carbon Monoxide Alarm / Detector (10 year Battery Included) (21026065 P3010CU 26065) more

    $84.69

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    First Alert Battery Photoelectric Smoke & Carbon Monoxide Alarm in Gray | 5.67 H x 5.67 W x 1 D in | Wayfair 1039871

    First Alert Battery Photoelectric Smoke & Carbon Monoxide Alarm in Gray | 5.67 H x 5.67 W x 1 D in | Wayfair 1039871

    This First Alert Battery Photoelectric Smoke and Carbon Monoxide Alarm has a slim profile, designed to blend more fully into the wall and out of sight. The battery-operated smoke and carbon monoxide detector alerts you to possible smoke or carbon... more

    $64.98

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    BRK First Alert - SC9120LBL Hardwired Smoke & Carbon Monoxide Alarm

    BRK First Alert - SC9120LBL Hardwired Smoke & Carbon Monoxide Alarm

    The First Alert SC9120LBL hardwired combination smoke/CO alarm connects directly to your home electrical system. In the event of a power outage, the smoke/CO alarm is equipped with a 10-year lithium battery backup. more

    $55.49

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    Google Nest Used Protect Wired Smoke and Carbon Monoxide Alarm (White, 2nd Generation) S3003LWES

    Google Nest Used Protect Wired Smoke and Carbon Monoxide Alarm (White, 2nd Generation) S3003LWES

    [FACTORY REFURBISHED] - Google Nest Protect Wired Smoke and Carbon Monoxide Alarm (White, 2nd Generation) -Refurb more

    $89.95

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    Kidde 26359 - 120 volt Plug In Digital Display Voice Alarm Carbon Monoxide Alarm (10 Year Battery Backup Included) (21026359 KN-COP-DP-10YB)

    Kidde 26359 - 120 volt Plug In Digital Display Voice Alarm Carbon Monoxide Alarm (10 Year Battery Backup Included) (21026359 KN-COP-DP-10YB)

    Kidde 120 volt - Plug In - Bedroom - Digital Display - Voice Alarm - 10-year Sealed Lithium Battery Backup - ClamShell - Carbon Monoxide Alarm | Kidde Carbon Monoxide Alarm / Detector (10-year Battery Backup Included) (21026359 KN-COP-DP-10YB 26359) more

    $75.89

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    1pc Carbon Monoxide Detectors, Carbon Monoxide Alarm, Co Alarm Detector Monitor Battery Operated With Digital Display For House Kitchen Restaurant Hotel

    1pc Carbon Monoxide Detectors, Carbon Monoxide Alarm, Co Alarm Detector Monitor Battery Operated With Digital Display For House Kitchen Restaurant Hotel

    Faster shipping. Better service more

    $7.99 $4.07

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    3pcs Carbon Monoxide Detectors, Easy Installation, Battery Powered, High Precision Co Alarm With Digital Display, Home Safety Device, Size 9.5cm Diameter

    3pcs Carbon Monoxide Detectors, Easy Installation, Battery Powered, High Precision Co Alarm With Digital Display, Home Safety Device, Size 9.5cm Diameter

    Faster shipping. Better service more

    $17.29 $12.10

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    FIRST ALERT 1039727 Carbon Monoxide Alarm, Electrochemical Sensor, 85 dB @ 10

    FIRST ALERT 1039727 Carbon Monoxide Alarm, Electrochemical Sensor, 85 dB @ 10

    Carbon Monoxide Alarm, Battery Chemistry Alkaline, Battery Location Front, Battery Locking Pin Yes, Battery Size AA, Communication Protocol Not Applicable, Compatible With Not Applicable, Detector Type CO Detector, Features Front Loading Battery,... more

    $52.99

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    KIDDE KN-COB-DP2 Carbon Monoxide Alarm, Electrochemical Sensor, 85 dB @ 10 ft

    KIDDE KN-COB-DP2 Carbon Monoxide Alarm, Electrochemical Sensor, 85 dB @ 10 ft

    Carbon Monoxide Alarm, Battery Chemistry Alkaline, Battery Location Back, Battery Locking Pin No, Battery Size AA, Communication Protocol Not Applicable, Compatible With Not Applicable, Detector Type CO Detector, Features Bulk Contractor, Plug-In Theft... more

    $202.99

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    KIDDE KN-COB-DP2 Carbon Monoxide Alarm, Electrochemical Sensor, 85 dB @ 10 ft

    KIDDE KN-COB-DP2 Carbon Monoxide Alarm, Electrochemical Sensor, 85 dB @ 10 ft

    Carbon Monoxide Alarm, Battery Chemistry Alkaline, Battery Location Back, Battery Locking Pin No, Battery Size AA, Communication Protocol Not Applicable, Compatible With Not Applicable, Detector Type CO Detector, Features Tamper-Resistant Alarm Sounds... more

    $32.25

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    BRK SC9120B Carbon Monoxide and Smoke Alarm, Electrochemical, Ionization

    BRK SC9120B Carbon Monoxide and Smoke Alarm, Electrochemical, Ionization

    Carbon Monoxide and Smoke Alarm, Battery Chemistry Alkaline, Battery Location Side, Battery Locking Pin Yes, Battery Size 9V, Communication Protocol Not Applicable, Compatible With BRK Hardwired Alarms, Detector Type Smoke/CO Detector, Includes... more

    $41.75

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    KIDDE C3010-D Carbon Monoxide Alarm, Electrochemical Sensor, 85 dB @ 10 ft

    KIDDE C3010-D Carbon Monoxide Alarm, Electrochemical Sensor, 85 dB @ 10 ft

    Carbon Monoxide Alarm, Battery Chemistry Alkaline, Battery Location Back, Battery Locking Pin No, Battery Size 3V, Communication Protocol Not Applicable, Compatible With Not Applicable, Detector Type CO Detector, Features Sealed Lithium Batteries, Red... more

    $71.19

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    First Alert Photoelectric Smoke & Carbon Monoxide Combo Alarm in Gray | 1.25 H x 6.75 W x 8.5 D in | Wayfair FAT1039868

    First Alert Photoelectric Smoke & Carbon Monoxide Combo Alarm in Gray | 1.25 H x 6.75 W x 8.5 D in | Wayfair FAT1039868

    The product helps protect your home from 2 potentially deadly threats by providing up to a decade of uninterrupted monitoring. Equipped with dual sensors, this low-profile alarm detects smoke from slow-burning, smoldering fires and elevated carbon... more

    $67.55

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    First Alert Hard-Wired Electrochemical Smoke & Carbon Monoxide Alarm in Gray | Wayfair 1039807

    First Alert Hard-Wired Electrochemical Smoke & Carbon Monoxide Alarm in Gray | Wayfair 1039807

    This First Alert Hard-Wired Electrochemical Smoke and Carbon Monoxide Alarm uses an electrochemical CO sensing technology and ionization sensor for smoke detection. It includes a 9-volt battery for continued function in the event of a power outage, and... more

    $69.98

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    First Alert Hard-Wired Photoelectric Electrochemical Smoke & Carbon Monoxide Alarm in Gray | 5 H x 5 W x 2 D in | Wayfair SC7010B

    First Alert Hard-Wired Photoelectric Electrochemical Smoke & Carbon Monoxide Alarm in Gray | 5 H x 5 W x 2 D in | Wayfair SC7010B

    This Hard-Wired Photoelectric Electrochemical Smoke and Carbon Monoxide Alarm features two latching features. The spread spectrum horn tone has a lower and varying frequency that makes it easier for the elderly with a normal age-related hearing loss to... more

    $72.09

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    Smoke Alarm and Carbon Monoxide Value Pack

    Smoke Alarm and Carbon Monoxide Value Pack

    Product details This Value Pack contains a 10 year sealed battery smoke alarm and a battery operated carbon monoxide alarm for your home's protection against two threats. more

    $84.49

    FREE shipping

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    First Alert SC7010B Photoelectric Carbon Monoxide & Smoke Alarm, Backup

    First Alert SC7010B Photoelectric Carbon Monoxide & Smoke Alarm, Backup

    Highlights: 120 volt AC with battery backup (2 AA included) Single button test/silence Easy installation and maintenance End of life signal provides audible notification that alarms need to be replaced Gives optimum protection for smoldering fires and… more

    $84.22

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    BRK First Alert -SC7010BV Carbon Monoxide & Smoke Alarm, Photoelectric

    BRK First Alert -SC7010BV Carbon Monoxide & Smoke Alarm, Photoelectric

    Brand Name: First Alert Power Type: Hard-Wired with Battery Back-up Sensor Type: Electrochemical/Photoelectric Product Type: Smoke and Carbon Monoxide Alarm Packaging Type: Boxed ETL Listed: Yes CSA Listed: No UL Listed: Yes Test and or Reset Button: Yes… more

    $93.49

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    First Alert 2-in-1 Battery Photoelectric Smoke and Carbon Monoxide Alarm

    First Alert 2-in-1 Battery Photoelectric Smoke and Carbon Monoxide Alarm

    Brand Name: First Alert Sub Brand: 2-in-1 Power Type: Battery Sensor Type: Photoelectric Product Type: Smoke and Carbon Monoxide Alarm Number in Package: 1 pk Packaging Type: Clamshell Detects Carbon Monoxide: No Test and or Reset Button: Yes UL Listed:… more

    $52.49 $49.87

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    More information about Home Security

    Best prices on Knifun carbon monoxide smoke detector, Alarm in Home Security. Check out Bizrate for great deals on popular brands like BRK, First Alert and Kidde. Use Bizrate's latest online shopping features to compare prices. Read product specifications, calculate tax and shipping charges, sort your results, and buy with confidence. Easily narrow your search and find the product that's perfect for you.