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    Gas Sensor MQ-4 MQ4 Natural Gas Methane Detection Sensor Detector

    Gas Sensor MQ-4 MQ4 Natural Gas Methane Detection Sensor Detector

    High sensitivity to CH4,Natural gas. Small sensitivity to alcohol, smoke.? Fast response. Stable and long life. Simple drive circuit. They are used in gas leakage detecting equipments in family and industry, are suitable for detecting of CH4, Natural... more

    $16.99 $8.20

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    Gas Sensor MQ-5 MQ5 Natural Gas Methane Detection Sensor Detector

    Gas Sensor MQ-5 MQ5 Natural Gas Methane Detection Sensor Detector

    Circuit : Loop Voltage(Vc): ��24V DC;Heater Voltage(Vh): 5.0V+/-0.2V AC or DC : Heater Voltage(Vh): 5.0V+/-0.2V AC or DC;Load Resistance(Rl): Adjustable : Load Resistance(Rl): Adjustable;Character : Heater Resistance(Rh): 31Ohm+/-3OhmRoom Tem.;Heater... more

    $15.99 $7.92

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    General Tools & Instruments Digital Natural Gas Detector Ngd268

    General Tools & Instruments Digital Natural Gas Detector Ngd268

    Detects methane natural gases coal gases hexane propane ethane butane pentane isopropyl alcohol halogenated hydrocarbons methanol ethanol butanol ether ketones butone protone. Also detects hydrogen toluene gasoline industrial solvents lacquers... more

    $156.46

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    Lowe's

    (25,000+)
    Kidde AC Plug-In Gas/Carbon Monoxide Detector with Battery Back Up (2-Pack)

    Kidde AC Plug-In Gas/Carbon Monoxide Detector with Battery Back Up (2-Pack)

    Free Shipping on Over 500K Items!

    Protect your home from dual threats by utilizing the Kidde AC Combination Carbon Monoxide/Explosive Gas Alarm. This combination alarm features a digital display that shows the current level of carbon monoxide or methane or propane gas in the air. When... more

    $75.97

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    Above Edge 2 in 1 Home Safety Plug-In Carbon Monoxide & Gas Detector

    Above Edge 2 in 1 Home Safety Plug-In Carbon Monoxide & Gas Detector

    Get early warning of carbon monoxide leaks as well as methane, propane, or butane in your home more

    $65.99 $29.99

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    Kidde Plug-In Combination Explosive Gas/Carbon Monoxide Alarm Detector with Battery Back-up

    Kidde Plug-In Combination Explosive Gas/Carbon Monoxide Alarm Detector with Battery Back-up

    Free Shipping on Over 500K Items!

    Protect your home from dual threats by utilizing the Kidde AC Combination Carbon Monoxide/Explosive Gas Alarm. This combination alarm features a digital display that shows the current level of carbon monoxide or methane or propane gas in the air. When... more

    $49.97

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    SENSIT 907-GRNGR-01 Combustible Gas Detector

    SENSIT 907-GRNGR-01 Combustible Gas Detector

    Combustible Gas Detector, Detects Methane, Propane, Butane and More, Measuring Range 50 ppm to 100 Percent LEL Methane, Propane, Accuracy +/-10 Percent, Audible, Visual, Direct Read Display Indicator, Features 16 In. Probe, Instantaneous Response,... more

    $954.90 $738.66

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    General Tools Portable Gas Leak Detectors - portable gas leak detector

    General Tools Portable Gas Leak Detectors - portable gas leak detector

    OGH1403 Features Quick response LED & audio indication Gas concentration alarm Adjustable sensitivity Gas Type: Methane, Propane, Butane etc. Price is for 1 Each Dimensions Overall Product Weight: 2.25 lbs more

    $274.10 $168.99

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    Kidde Plug-In Gas CO Detector and Battery Operated Ionization Smoke Alarm

    Kidde Plug-In Gas CO Detector and Battery Operated Ionization Smoke Alarm

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    AC powered, plug-in CO and explosive gas alarm protects you and your family from two deadly threats. The CAS/CO combo includes 9-Volt battery backup that provides protection during a power outage, when AC-only units cannot provide protection. Packaged... more

    $37.97

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    Code One Hardwired 120-Volt Inter-Connectable Smoke Detector with Battery Backup

    Code One Hardwired 120-Volt Inter-Connectable Smoke Detector with Battery Backup

    Free Shipping on Over 500K Items!

    Code One Ionization Smoke Detector with Battery Backup is an ionization-sensing alarm that offers 120 VAC of power with a 9-Volt battery backup for continuous protection during power outages. This alarm can operate as a single unit or as a component of... more

    $10.19

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    First Alert 6-Pack Ac Hardwired 120-Volt Smoke Detectors 9120B6cp

    First Alert 6-Pack Ac Hardwired 120-Volt Smoke Detectors 9120B6cp

    Hardwired ionization smoke alarm with 9 volt battery back up. Battery backup provides consistent protection for added safety during power outages. Smart technology helps to reduce the number of nuisance alarms. Latching alarm indicator remembers which... more

    $65.57

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    Lowe's

    (25,000+)
    First Alert Ac Plug-In Carbon Monoxide Detector Battery Back-Up Co605

    First Alert Ac Plug-In Carbon Monoxide Detector Battery Back-Up Co605

    AC plug-in carbon monoxide detector keeps your home and family safe from toxic gas. Electrochemical sensor provides the most accurate carbon monoxide detection technology to prevent accidental poisoning. Battery backup provides consistent protection... more

    $27.97

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    Lowe's

    (25,000+)
    Viking Electronics Vk-ldb-3 Loop And Ring Detector Board

    Viking Electronics Vk-ldb-3 Loop And Ring Detector Board

    Viking Advanced Loop Detector loop detect board for ring and line in use contact closures- Provide a contact closure during ringing and/or off-hook- Monitors an analog phone line for ringing or an off hook condition- A built-in relay can be activated... more

    $66.25

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    Ge 50543 Noncontact Voltage Detector

    Ge 50543 Noncontact Voltage Detector

    This GE Noncontact Voltage Detector safely detects voltage without contacting wires. It can detect the presence of AC 70 volts up through 440 volts. It is quipped with an LED light and audible speaker and comes with two 1.5V batteries. UL... more

    $24.39

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    P3 International P3-p7050 Mini Bug Detector

    P3 International P3-p7050 Mini Bug Detector

    P3 Mini bug detector- Detects and pinpoints the location of wireless microphones and transmitters by using a LED display and an optional audio alarm- Secure your home, office or hotel room- Sensitivity adjustment eliminates false alarms- Features wide... more

    $83.63

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    Pyle Phmd4 Treasure Hunter 4000 Weatherproof Professional Metal Detector System

    Pyle Phmd4 Treasure Hunter 4000 Weatherproof Professional Metal Detector System

    The Pyle PHMD4 Treasure Hunter 4000 Weatherproof Professional Metal Detector System with Integrated Headphones will help you uncover lost valuables. Find precious metals, artifacts and more with this fully featured metal detector. Features include... more

    $152.65

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    Pyle Phmd4 Treasure Hunter 4000 Weatherproof Professional Metal Detector System

    Pyle Phmd4 Treasure Hunter 4000 Weatherproof Professional Metal Detector System

    The Pyle PHMD4 Treasure Hunter 4000 Weatherproof Professional Metal Detector System with Integrated Headphones will help you uncover lost valuables. Find precious metals, artifacts and more with this fully featured metal detector. Features include... more

    $152.65

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    Ge 50543 Noncontact Voltage Detector

    Ge 50543 Noncontact Voltage Detector

    This GE Noncontact Voltage Detector safely detects voltage without contacting wires. It can detect the presence of AC 70 volts up through 440 volts. It is quipped with an LED light and audible speaker and comes with two 1.5V batteries. UL... more

    $24.39

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    Xintex Photo Electric Smoke Detector

    Xintex Photo Electric Smoke Detector

    Photo Electric Smoke Detector Features: Supply Voltage: 10-30 VDC (auto sensing) With Base Hard-Wired Quiescent Current: 12 milliamps (with backlight off) Voltage and EMI protected Reverse polarity protected Data retention 50 years (without power)... more

    $69.60

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    Xintex SS-775 Smoke Detector & Fire Alarm - 9V Battery Powered

    Xintex SS-775 Smoke Detector & Fire Alarm - 9V Battery Powered

    Smoke Detector All vessels 26 feet or more in length with accommodation spaces intended for sleeping shall be equipped with a single station smoke alarm that is listed to UL217 RV for recreational vehicles... Dimensions: 4.25 Diameter, 1.75 height... more

    $14.50

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    Minelab Go Find 20 Metal Detector - 3231-0001

    Minelab Go Find 20 Metal Detector - 3231-0001

    The Minelab GO-FIND 20 metal detector is the most advanced treasure detector available today! Using today's hi-tech technology leaving the competition very far behind, the GO-FIND 20 has everything ever wanted by beginners and first timers of all ages,... more

    $179.00

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    (75,000+)
    Shopperheads Carbon Monoxide and Gas Detector

    Shopperheads Carbon Monoxide and Gas Detector

    Sensor loudly alerts your household when it detects the presence of harmful carbon monoxide gas more

    $50.98 $14.99

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    First Alert GC01B Carbon Monoxide Detector & Gas Alarm, 120V AC/DC Plug-In

    First Alert GC01B Carbon Monoxide Detector & Gas Alarm, 120V AC/DC Plug-In

    Descriptions Friendly Tip: The price is for Single Item. The item sold Separately. Keeping your family safe from carbon monoxide and other harmful gases such as methane and propane is important. The First Alert GC01B is perfect for doing just that.... more

    $80.75

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    Combustible Gas and Carbon Monoxide Detector, Test Products Intl., 775

    Combustible Gas and Carbon Monoxide Detector, Test Products Intl., 775

    Combustible Gas and Carbon Monoxide Detector, Detects Combustible Gases and Carbon Monoxide, Measuring Range 0 to 2000 ppm, Audible and Visual Indicator, Features 16-In. Flexible Probe, Low Power Semiconductor Sensor, Sensitive to 50 ppm (Methane),... more

    $445.28

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    LM393 Chip MQ-5 Coal Liquefied Gas Detector Sensor Module DC 5V

    LM393 Chip MQ-5 Coal Liquefied Gas Detector Sensor Module DC 5V

    Features:?Analog type, DC 5V rated voltage, high sensitivity to Combustible gas in wide range. The gas sensor are suitable for detecting Liquefied Gas, Methane, Coal Gas concentrations in the air.It is able to give alarms when those gas leaks. You can... more

    $18.99 $9.06

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    TEST PRODUCTS INTL. Gas and Carbon Monoxide Detector 775

    TEST PRODUCTS INTL. Gas and Carbon Monoxide Detector 775

    Combustible Gas and Carbon Monoxide Detector, Detects: Combustible Gases and Carbon Monoxide, Measuring Range: 0 to 2000 ppm, Indicator: Audible and Visual, Features: 16-In. Flexible Probe, Low Power Semiconductor Sensor, Sensitive to 50 ppm (Methane),... more

    $630.47

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    First Alert Plug-In Explosive Gas and Carbon Monoxide Alarm with Digital Display

    First Alert Plug-In Explosive Gas and Carbon Monoxide Alarm with Digital Display

    Free Shipping on Over 500K Items!

    First Alert plug-in combination natural, methane, propane gas and carbon monoxide detector with battery operated backup. Household multi gas detectors and explosive gas leakage detectors from First Alert. Backlit display for easy reading. Plugs into... more

    $38.01

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    Portable Gas Detector By TechTools

    Portable Gas Detector By TechTools

    Detect potentially dangerous acetylene, butane, methane (natural gas), and propane leaks with this lightweight, pocket-sized, portable gas detector. When harmful gases are detected at levels greater than 5% Lower Explosive Limit (LEL), this detector... more

    $21.49

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    First Alert Ac Hardwired 120-Volt Photoelectric Sensor Smoke Detector

    First Alert Ac Hardwired 120-Volt Photoelectric Sensor Smoke Detector

    Hardwired photoelectric smoke alarm with 9 volt battery back up. Photoelectric smoke sensing reduces false alarms like those caused by cooking fires and shower steam. . Battery backup provides consistent protection for added safety during power... more

    $19.97

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    Lowe's

    (25,000+)
    Morris Products Voltage Detector Meter 59050

    Morris Products Voltage Detector Meter 59050

    Voltage probe and continuity tester. No test leads required. High voltage probe current tester tests for continuity AC voltage and polarity. Tests for continuity without wire probes on non-energized circuits. Tests from 12- to 440-volt ACDC on... more

    $12.10

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    Lowe's

    (25,000+)
    First Alert Battery-Powered 3-Volt Photoelectric Smoke Detector P1000-

    First Alert Battery-Powered 3-Volt Photoelectric Smoke Detector P1000-

    Advanced technology in a smoke and fire alarm for maximum protection with a micro design. Designer polished nickel finish to match your home decor. Photoelectric smoke sensor for less frustration from nuisance alarms. Includes long-life lithium CR2... more

    $25.70

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    Lowe's

    (25,000+)
    First Alert Ac Hardwired 120-Volt Photoelectric Smoke Detector Sa520b

    First Alert Ac Hardwired 120-Volt Photoelectric Smoke Detector Sa520b

    Features a wireless connection so when 1 alarm is triggered all alarms will sound. Wireless interconnect technology eliminates the need for an electrician to pull wires. Reliable radio frequency communication between alarms creates a secure fire safety... more

    $41.26

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    Lowe's

    (25,000+)
    First Alert BRK Photo-Electric Hardwired Smoke Detector with Strobe Light Alarm

    First Alert BRK Photo-Electric Hardwired Smoke Detector with Strobe Light Alarm

    Free Shipping on Over 500K Items!

    The BRK Hardwired Smoke Alarm detects smoldering fires and has a strobe light alarm (with sound). The strobe satisfies the ADA approved strobe compliancy. This alarm also has photoelectric smoke sensing technology that reduces false alarms and sense... more

    $84.82

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    Nest Protect Battery Smoke and Carbon Monoxide Detector

    Nest Protect Battery Smoke and Carbon Monoxide Detector

    Free Shipping on Over 500K Items!

    This Protect Battery Smoke and Carbon Monoxide Detector from Nest is the ultimate smoke alarm for your home. Redesigned from the inside out, it has an industrial-grade smoke sensor, can be hushed from your phone, tests itself automatically and lasts... more

    $99.00

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    Carbon Monoxide Detector

    Carbon Monoxide Detector

    Free Shipping on Over 500K Items!

    PRO-LAB Carbon Monoxide Test Kit can detect the Invisible and Odorless carbon monoxide gas. The sensor button will turn grey to black within fifteen minutes. The sensor button will return to it is original color and be ready for reuse when exposed to... more

    $9.22

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    FireX 10-Year Battery Operated Ionization Smoke Detector

    FireX 10-Year Battery Operated Ionization Smoke Detector

    Free Shipping on Over 500K Items!

    10-year, sealed battery, ionization, smoke alarmwith Alarm Memory and Smart HushTM feature. alarm will automatically activate when it is attached to themounting bracket; there are no pull-tabs, no switches, everything isautomatic. At the end of the... more

    $17.49

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    Kidde AA Detector Replacement Power Supply (4-Pack)

    Kidde AA Detector Replacement Power Supply (4-Pack)

    Free Shipping on Over 500K Items!

    Kidde replacement batteries for Smoke alarms that are battery operated or have battery backup. Can be used in all brands of Smoke detectors. Kidde batteries are suitable for all Kidde products that contain a replaceable battery. For all Kidde smoke... more

    $6.27

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    Doberman Security Home Security Water Detector Alert

    Doberman Security Home Security Water Detector Alert

    Free Shipping on Over 500K Items!

    Be alerted of basement floods, burst water pipes and overflowing washing machines with the Water Detector Alert. This water detector provides a 100 dB siren when triggered to help ensure your attention is given to water leaks before they wreck havoc on... more

    $14.24

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    8 oz. Leak Detector

    8 oz. Leak Detector

    Free Shipping on Over 500K Items!

    The Oatey 8 oz. Leak Detector clings to vertical surfaces and produces long lasting blue bubbles for easy detection of gas leaks in pipe lines, tanks, coils, cylinders, and valves. Can be effectively used in temperatures ranging from minus 50° to... more

    $6.33

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    IDEAL Security Wired Indoor Water Detector Alarm

    IDEAL Security Wired Indoor Water Detector Alarm

    Free Shipping on Over 500K Items!

    Water damage is North America’s most frequent insurance claim and water damage can cost tens of thousands of dollars to repair. Insert a 9-Volt battery (not included) and while someone is in the home, you will be immediately notified that water is... more

    $11.33

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