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Shop the best prices on 8,739 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, Other, GreenZech and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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225 - 256 of 3,200
Rm370 Carbon Monox Detector Yalo
$74.00 Save $5.00 RRP: $79.00
100-9999ppm High Sensitivity Combustible Gas Detector CH4 C4H10 CH2Cl2 Methane Natural Gas Leak Detector Gas Analyzers Tools
$79.00 Save $15.00 RRP: $94.00
Co2 Detector, Carbon Dioxide Detector, Co2 Sensor - Agricultural Production Greenhouse Co2 Monitor - For Home/office/gym/car -semiconductor Inspection
$42.95
Carbon Monoxide Detectors,Plug in CO and Gas Detector with Humidity,Combination Gas&Carbon Monoxide
$74.00 Save $175.00 RRP: $249.00
Tuya 300m ME204R RF433 Gas Detector LED Display Portable Smart Home Device Gas Tank Meter LGP Tank Measure 1m/50kg (US)
$449.00
SMART SENSOR 4-in-1 Gas Detector, Toxic and Harmful Flammable Oxygen, Carbon Monoxide, Hydrogen Sulfide, Ammonia Alarm
$149.00
3X MH-Z19 MH-Z19C IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR Accessories
$64.00
Oxygen Analyzer Professional Portable O2 Oxygen Concentration Meter Detector 21%-95.6% O2 Meter Gas Detector US Plug
$229.00
5 in 1 Air Quality Detector Semiconductor Sensors CO2 Monitor Black
$24.95
Temperature & Humidity Meter, Air Quality Monitor, CO2 Detector, A
$20.95
MH-Z19 MH-Z19E IR Infrared CO2 Sensor Module for CO2 Monitor (A)
$24.95
4-in-1 Gas Detector with Sensors for Carbon Monoxide Oxygen and Toxic Gases Portable Harmful Alarms for Safety
$279.00
1PCS Formaldehyde Sensor Module MQ138 MQ-138 Sensor Module
$29.95
Handheld Oxygen Air Quality Monitor High Precision Temperature Humidity O3 Sensor Gas Detector Indoor O3 Quality Monitor
$109.00
Oxygen Sensor AO-02 Gas Detector Compatible with AO2 AA428-210 AO2PTB-18.10 2pcs
$74.00
Air Conditioner Fluorine Leak Detector Refrigerant Halogen Leak Detector Freon Refrigerant Leak Detector HD02
$64.00
Electrochemical CH2O Formaldehyde Sensor Gas HCHO Sensor Module Smart Home Devices
$17.95
Tuya WIFI Air Quality Monitor 5 in 1 Formaldehyde VOC CO2 Temperature Humidity Detector Sensor Suppo
$26.95
Gas Leak Detector 803 Oxygen Gas Detector Oxygen Gas Detector 803 Blue Digital Display Oxygen Gas Leak Detector 10-+50℃
$119.00
Halogen Leak Detector Air Conditioning Refrigerant Leak Detector HVAC R22 R410A R134A CFCs HCFC Freo
$44.95
Handheld Carbon Monoxide Meter, 80Db CO Leak Detector,CO Gas Analyzer
$45.95
Tuya Wifi Air Quality Monitor Smart Home CO2 Detector, Zigbee
$30.95
Sensor De Detonacin Chevrolet Silverado Con Arnes
$349.00
Formaldehyde Detector for Household Professional Self-Test Indoor Air Quality Testing Formaldehyde
$16.95 Save $3.00 RRP: $19.95
Digital RV Propane Gas Detector with 85dB Loud Alarm, DC 12V, for Trailer, Motorhome, Motorcoach White
$29.95 Save $44.05 RRP: $74.00
Carbon Dioxide Controller Single Channel Split Probe CO2 Monitor CO2 Pressure Reducer Valve for Gre
$279.00
Tuya WIFI Air Quality Monitor 5 in 1 Formaldehyde VOC CO2 Temperature Humidity Detector Sensor Supp
$30.95
Portable Ammonia Gas Detector,0-200 PPM Rechargeable Ammonia Gas Monitor,Digital Air Quality NH3 Ga
$229.00
2X Air Quality Monitor CO2 Monitor Formaldehyde Detector TVOC/Temp./Humidity Indoor with Buzzer Pro
$89.00
Tuya Smart Data Storage Oxygen Concentration Air Detector Outdoor Camping Carbon Monoxide Temperature Humidity Meter
$99.00 Save $50.00 RRP: $149.00
-Z14B NDIR Infrared CO2 Sensor Module Gas Sensor for CO2 Monitor 0-5000ppm Z14 Serial UART PWM Outp
$64.00
Propane Gas Detector,Digital RV Propane Gas Detector, Using DC 12V, 85dB Loud Alarm, Suitable for Homes and RVs
$31.95 Save $47.05 RRP: $79.00