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Shop the best prices on 7,832 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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1,601 - 1,632 of 7,832
HDC1080 CCS811 Carbon Monoxide CO2 VOCs Air Quality Numerical Gas Temperature Humidity Sensor Modul
$27.95 Save $17.00 RRP: $44.95
Tuya WiFi 15in1 Air Quality Detector Household Portable PM0.3 PM1.0 PM2.5 PM10 CO CO2 TVOC HCHO Tester Clock
$79.00
6 In 1 Pm2.5 Pm10 Hcho Tvoc Co Co2 Air Quality Detector Co Co2 Formaldehyde Monitor Home Office Air
$42.95 Save $26.05 RRP: $69.00
CO2 Carbon Dioxide Detector for Air Quality, Temperature and Humidity, Quick CO2 Measurement, Cisea White Other
$54.00 Save $55.00 RRP: $109.00
Rm370 carbon monox detector - ZCL1978 hwy
$50.95 Save $33.05 RRP: $84.00
Combustible Gas Detector, Combustible Gas Alarm, Temperature and Humidity Detector, Household Air Q
$43.95
HDC1080 CCS811 Carbon Monoxide CO2 VOCs Air Quality Numerical Gas Temperature Humidity Sensor Modul
$42.95 Save $41.05 RRP: $84.00
ZRUXE Portable Ozone Analyzer Multifunctional O3 Ozone Meter Air Detector Intelligent Sensor Ozone Meter Air Quality Pollution Monitor
$219.00 Save $70.00 RRP: $289.00
Mini Handheld Lanyard Portable Ndir Medidor De Co2 Alarm Carbon Dioxide Detector Air Quality Sensor Monitor Co2 Meter
$139.00 Save $70.00 RRP: $209.00
Lcd Gas Analyzer Tester Meter Automotive Combustible Gas Sensor Air Quality Monitor Gas Leak Detector With Sound Shock Alarm
$209.00 Save $110.00 RRP: $319.00
Co2 Monitor Durfist Co2 Detector Portable Air Quality Monitor That Can Detect Ambient Temperature And Humidity Gas Detector
$199.00 Save $100.00 RRP: $299.00
NOx Sensor 9821121180 for Nitrogen Oxide Detection and Replacement
$139.00 Save $120.00 RRP: $259.00
Wifi Natural Gas Sensor Combustible Household Smart Gas Alarm Detector Leakage Sensor Wifi Temperat
$33.95 Save $5.00 RRP: $38.95
NDIR CO2 Sensor Infrared Carbon Dioxide Sensor Module with Serial Port PWM Analog Output CO2 Gas De
$43.95 Save $15.05 RRP: $59.00
ZigBee Natural Gas Sensor Combustible Household Smart LPG Gas Leakage Alarm Detector Fire Security
$26.95 Save $5.00 RRP: $31.95
K5C Mini Carbon Dioxide Detector CO Tester Air Quality Portable Monitor LED Screen USB Typc-C Charg
$52.95 Save $6.05 RRP: $59.00
Handheld Carbon Monoxide Meter, 80Db Light CO Leak Detector, Portable Handheld CO Detector, CO Gas
$45.95 Save $8.05 RRP: $54.00
Tuya Combustible Gas Detector Gas Alarm Digital Gas Detection Sensor Sound Alarm Smart Air Quality
$26.95 Save $4.00 RRP: $30.95
-Z19 -Z19C IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR Accessories
$18.95 Save $7.00 RRP: $25.95
Gas Detector With Leak Alarming For Small Building And Kitchen Range GreenZech
$46.95 Save $92.05 RRP: $139.00
Air Quality Monitor,7-in-1 Air Monitor,Tester for Carbon Dioxide,TOVC,HCHO, PM2.5,PM10
$229.00 Save $345.00 RRP: $574.00
MQ137 Ammonia Gas Detection Sensor Module NH3 Gas Sensor Module
$19.95 Save $3.00 RRP: $22.95
Combustible Gas Detection Unit -5 Gas Detection Unit Integrated
$21.95 Save $4.00 RRP: $25.95
Tuya Combustible Gas Detector Gas Alarm Gas Detection Sensor,A
$24.95 Save $4.00 RRP: $28.95
Wifi Natural Gas Sensor Tuya Smart Alarm Gas Leakage Detector
$20.95
Halogen Leak Detector With LED Light Air Conditioning HVAC Refrigerant Leak Detector R22a R134a CFC HFC HCFC Freon Gas Tester
$64.00 Save $15.00 RRP: $79.00
Combustible Gas Leak Detector Flammable Methane Propane CH4 LPG LNG Alarm Sensor with LED Indicator Natural Gas Monitor EU Plug
$34.95 Save $6.00 RRP: $40.95
Portable Continuous Quantitative Analysis Ammonia Gas Hold Peak 9000B Detector 0-100ppm Rechargeable with LCD Screen
$479.00
Digital Natural Gas Detector, Household Gas Alarm, Gas Leak Detector, High Sensitivity
$35.95 Save $113.05 RRP: $149.00
CJMCU-8118 HDC1080 Carbon Dioxide CO2 Temperature Humidity VOCs Air Quality Sensor Module for
$34.95 Save $7.00 RRP: $41.95
Testo 316-4 /testo-316-4 Refrigerant Leak Detector Testo316-4 Ammonia Refrigerant Detection
$1,349.00
NDIR CO2 Sensor Infrared Carbon Dioxide Sensor Module with Serial Port PWM Analog Output CO2 Gas De
$41.95 Save $8.00 RRP: $49.95