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Household Sensors & Alarms - 142 - Blowout Sale! Save up to 69%


Blowout Sale! Up to 69% off on Household Sensors & Alarms at Humble Opinion. Top brands include Mold Inspection Network, SainSmart, MODOAO, Portagas, Edwards-Signaling, Valterra, PORTAGAS, SGILE, CNBTR , Unknown, CAZONER, MAXITROL, WMicro, AGM, & Family Safety Products. Hurry! Limited time offers. Offers valid only while supplies last.



DIY Mold Test, Mold Testing Kit (3 tests). Lab Analysis and Expert Consultation included
DIY Mold Test, Mold Testing Kit (3 tests). Lab Analysis and Expert Consultation included
By Mold Inspection Network
In Stock
$105.95
$75.95
You Save: 28%

mpn: DT-28356, ean: 0643462342334,

4.5 out of 5 stars with 39 reviews
If you have recently been worried about a mold issue or have had water damage, then you understand how troubling it can be to not know if you have a mold growth in your home. No one wants to deal with the stress of an unknown health issue and to make...


SainSmart PM-P5 Indoor and Outdoor Air Quality Monitor – Portable and Accurate
SainSmart PM-P5 Indoor and Outdoor Air Quality Monitor – Portable and Accurate
By SainSmart
In Stock
$99.99

mpn: 192334, ean: 6959011596481,

Overview: SainSmart Pure Morning Series simultaneously track six major factors of indoor and/or outdoor air quality: PM2.5, PM1, PM10, Air Quality Index (AQI), Temperature and Humidity. The accurate measurement provided by the portable SainSmart ai...


MODOAO Carbon Monoxide Alarm with Voice Warning,Digital LCD Display,CO Alarm Detector,Pack of 4
MODOAO Carbon Monoxide Alarm with Voice Warning,Digital LCD Display,CO Alarm Detector,Pack of 4
By MODOAO
In Stock
$55.77
$42.88
You Save: 23%

mpn: AMBJQ01,

4.3 out of 5 stars with 59 reviews
【Specfication】 Power Supply:3 *AA batteries (not included) Monitor current:≤ 80uA (can work for more than one year) Alarm current:UNUQUE DESIGN --Portable and easy installation. Precise electro-optical sensor, high consistency and stability, ...


Portagas Carbon Monoxide 60 ppm Air 34L
Portagas Carbon Monoxide 60 ppm Air 34L
By Portagas
In Stock
$72.55

mpn: 10132620,

Calibration Gas Gas Name Carbon Monoxide Gas Mixture Carbon Monoxide 60 ppm Background Gas Air Cylinder Capacity 34L Cylinder Material Steel Connection Size CGA600 Max Pressure 500 psi Cylinder Dia 2-7/8 In. Cylinder Height 11 In. Accuracy +/-2 Perce...


Edwards Signaling SD-T8 AIR SAMPLING TUBE, 8''
Edwards Signaling SD-T8 AIR SAMPLING TUBE, 8"
By Edwards-Signaling
In Stock
$13.35

mpn: SDT8, ean: 0793016035585,

Brings functionality to your home or office While offering the trusted, enduring qualities ,these products are highly functional and inspired.Item Dimension : (L x W x H) : 8 x 0.5 x 0.5.Made In United States.Brings functionality to your home or offi...


Valterra V02126 'Detect-A-Leak' Leak Detector - 8 oz. Bottle
Valterra V02126 'Detect-A-Leak' Leak Detector - 8 oz. Bottle
By Valterra
In Stock
$14.03
$6.99
You Save: 50%

mpn: V02126, ean: 0019079021267,

4.8 out of 5 stars with 59 reviews
Detects leaks in anything that can be tested with air or gas pressure. Just spray on and look for bubbles. Instantly detects gas and air pressure leaks with a non-corrosive formula in a fine mist spray. Formula is non-corrosive and safe for metal, ru...


Zero Air 17L
Zero Air 17L
By PORTAGAS
In Stock
$52.86

mpn: 90094988,

Calibration Gas Gas Name Zero Air Gas Mixture Zero Air Background Gas Air Cylinder Capacity 17L Cylinder Material Steel Connection Size CGA600 Max Pressure 240 psi Cylinder Dia 2-7/8 In. Cylinder Height 11 In. Accuracy +/-2 Percent Calibration Certif...


Edwards Signaling SD-T78 AIR SAMPLING TUBE, 78''
Edwards Signaling SD-T78 AIR SAMPLING TUBE, 78"
By Edwards-Signaling
In Stock
$17.80

mpn: SD-T78, ean: 0793016035646,

Brings functionality to your home or office While offering the trusted, enduring qualities ,these products are highly functional and inspired.Item Dimension : (L x W x H) : 0.1 x 0.1 x 78.Made In United States.Brings functionality to your home or off...


Edwards Signaling SD-T120 AIR SAMPLING TUBE, 120''
Edwards Signaling SD-T120 AIR SAMPLING TUBE, 120"
By Edwards-Signaling
In Stock
$24.40
$24.13
You Save: 1%

mpn: SD-T120, ean: 0793016035653,

Brings functionality to your home or office While offering the trusted, enduring qualities ,these products are highly functional and inspired.Item Dimension : (L x W x H) : 0.5 x 0.5 x 60.Made In United States.Brings functionality to your home or off...


Edwards Signaling SD-VTK AIR VELOCITY TEST KIT
Edwards Signaling SD-VTK AIR VELOCITY TEST KIT
By Edwards-Signaling
In Stock
$278.39
$86.44
You Save: 69%

mpn: SD-VTK, ean: 0793017006225,

4.2 out of 5 stars with 43 reviews
Brings functionality to your home or office While offering the trusted, enduring qualities ,these products are highly functional and inspired.Item Dimension : (L x W x H) : 6.6 x 0.3 x 0.5.Made In United States.Brings functionality to your home or of...


SGILE Gas Leak Detector Propane Combustible Gas Alarm Methane Sniffer Sensor with Sound Light with RoHS FCC CE Certificates
SGILE Gas Leak Detector Propane Combustible Gas Alarm Methane Sniffer Sensor with Sound Light with RoHS FCC CE Certificates
By SGILE
In Stock
$49.99
$39.99
You Save: 20%

mpn: SE131484, ean: 0603803320636,

4.0 out of 5 stars with 37 reviews
SGILE combustible gas detector is a highly sensitive, wide-Srange gas detector, which detects methane, natural gas, coal gas and other flammable gases in various situations and locations. It features high sensitivity senor that locates leaking spots ...


Edwards Signaling SD-T24 AIR SAMPLING TUBE, 24''
Edwards Signaling SD-T24 AIR SAMPLING TUBE, 24"
By Edwards-Signaling
In Stock
$15.32
$14.45
You Save: 6%

mpn: SD-T24, ean: 0793016035608,

4.7 out of 5 stars with 59 reviews
Brings functionality to your home or office While offering the trusted, enduring qualities ,these products are highly functional and inspired.Item Dimension : (L x W x H) : 0.5 x 0.5 x 24.Made In United States.Brings functionality to your home or off...


CNBTR Multicolor Acrylic 2-20LPM LZQ-6 Oxygen Air Gas Flowmeter with Control Valve for Oxygen Adjustable
CNBTR Multicolor Acrylic 2-20LPM LZQ-6 Oxygen Air Gas Flowmeter with Control Valve for Oxygen Adjustable
By CNBTR
In Stock
$13.37

mpn: CNBTR3400, ean: 6930584292642,

Specification: Material: Acrylic + plastic + metal Size: 115 x 66 x 22mm/4.53 x 2.60 x 0.87inch(L x W x H) Connection: 8MM pagoda (hose connection) Center distance: 90mm Operating temperature: 0-60 °C Color: Silver + White+ Black(As pictures shows)...


MagiDeal GM8801 High Sensitive Digital Formaldeyde Detector Temperature Humidity Test Indoor Home Air Quality Detector US Plug
MagiDeal GM8801 High Sensitive Digital Formaldeyde Detector Temperature Humidity Test Indoor Home Air Quality Detector US Plug
By Unknown
In Stock
$275.97
$183.98
You Save: 33%

mpn: STK0173004107, ean: 0711983050608,

4.8 out of 5 stars with 48 reviews
You will find what you want in Sports & Outdoors, Home & Kitchen, Beauty, Clothing, Health & Household, Tools & Improvement, Automotive Parts etc.Description: - Type: US Plug - Detection of gas: air formaldehyde - Measuring range: 0-3mg / m3 - Resolu...


CAZONER Natural Gas Detector, Propane Sensor Combustible Gas Leak Alarm
CAZONER Natural Gas Detector, Propane Sensor Combustible Gas Leak Alarm
By CAZONER
In Stock
$41.99
$35.99
You Save: 14%

ean: 0767520792166,

4.4 out of 5 stars with 35 reviews
CAZONER Household Natural Gas Leak Detector Alarm Using of medical aerospace grade polycarbonate material, product life of up to 5 years. Very energy-saving, power is only 0.3W, the annual power consumption of about 2 kWh. Protecting your family & pr...


Maxitrol TD114 Remote Selector-Discharge Air Sensor, 55-90 Degree F Temperature Range
Maxitrol TD114 Remote Selector-Discharge Air Sensor, 55-90 Degree F Temperature Range
By MAXITROL
In Stock
$20.08
$19.42
You Save: 3%

mpn: TD114, ean: 0685412006743,

4.8 out of 5 stars with 52 reviews
Remote selector, 55-90° F temperature range, sold in each, Maxtor TD114 remote selector-discharge air sensor, 55-90°f temperature range. Made in United States. Manufactured by Maxtor company.Remote selector. 55-90° f temperature range. Sold in eac...


Freon Leak Detector Refrigerant Halogen R134a R410a R22a Bag Air Condition HVAC
Freon Leak Detector Refrigerant Halogen R134a R410a R22a Bag Air Condition HVAC
By WMicro
In Stock
$32.99

mpn: HT0001701-2, ean: 0799872692115,

Applications: -It will respond to ALL halogenated (contains Chlorine of Fluorine) refrigerants, including but not limited to: CFCs: R12, R11, R500, R503 etc. HCFCs: R22, R123, R124, R502 etc. HFCs: R410a,R134a, R404a, R125 etc. -Blends such as AZ-50,...


Edwards Signaling SD-T60 AIR SAMPLING TUBE, 60''
Edwards Signaling SD-T60 AIR SAMPLING TUBE, 60"
By Edwards-Signaling
In Stock
$17.42

mpn: SD-T60, ean: 0793016035639,

Brings functionality to your home or office While offering the trusted, enduring qualities ,these products are highly functional and inspired.Item Dimension : (L x W x H) : 0.5 x 0.5 x 60.Made In United States.Brings functionality to your home or off...


Gas Leak Detector, AGM Combustible Natural Gas Tester with Sound Light Alarm
Gas Leak Detector, AGM Combustible Natural Gas Tester with Sound Light Alarm
By AGM
In Stock
$90.99
$69.99
You Save: 23%

mpn: AGM-GS22, ean: 0710465661721,

4.5 out of 5 stars with 52 reviews
🌼 Widely Applications 🌼 💌 Gas Lines and Pipes 💌 Propane Gas refill station 💌 Fuel in marine bilges 💌 Exhaust and fuel leaks 💌 Heat Exchange Leaks 💌 Hazardous Living & Working ...


Family Safety Products 8910012 Safety Siren Combustible Gas (Propane Methane) Detector
Family Safety Products 8910012 Safety Siren Combustible Gas (Propane Methane) Detector
By Family Safety Products
In Stock
$51.75

mpn: 8910012, ean: 0758773805017,

Detects dangerous levels of Methane and Propane gas. Computerized calibration helps eliminate false alarms. Built-in self-diagnostics assures the unit is operating properly. Easily plugs into any standard 110-120v AC electrical outlet and samples the...



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