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Shop the best prices on 7,512 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, GreenZech, Other and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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769 - 800 of 7,512
HD02 Leak Detector R22/R32/R134a Gas Detector Analyzer Rechargable Refrigerant Gas Air Conditioning
$39.95
Leak Detector for Air, Water, Gas and Vacuum Testing with 40kHz Sensor, Sound and Light Alerts
$74.00 Save $35.00 RRP: $109.00
H2S Gas Sensor Module 10 to 1000ppm High Sensitive Air Quality Monitoring Module DC5V
$42.95 Save $26.05 RRP: $69.00
Infrared Air Quality Monitor Co2 Carbon Dioxide Detector
$36.95
Handheld Digital Oxygen Detector Usb Rechargeable O2 Sensor Tester
$169.00
Household Air Quality Detector Multifunctional T/h Sensors Co2 Tester
$59.00
Air Quality Monitor Co2 Detector 5 In 1 Ir Accurate Tester
$69.00
Portable Propane Methane And Natural Gas Leak Detector
$64.00
Handheld Combustible Gas Detector With Sound Light Alarm
$54.00
CO2 Meter Alarm Instrument Carbon Dioxide Detector Multifunctional Thermohygrometer Air Quality Detector for Home
$94.00 Save $45.00 RRP: $139.00
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature A
$39.95 Save $4.00 RRP: $43.95
Portable Propane Methane and Natural Gas Leak Detector Combustible Gas Tester Meter Sniffer with Sound Light Alarm Sensitive Adjustable
$94.00 Save $45.00 RRP: $139.00
Carbon Monoxide Detector, Gas Detector,Gas Alarm Sensor Methane Propane ,Gas Leak Detector EU Plug
$32.95
Oxygen Sensor AO-02 Gas Detector Compatible with AO2 AA428-210 AO2PTB-18.10 2pcs
$64.00 Save $20.00 RRP: $84.00
6-in-1 Air Quality Detector, Black, CO2, PM2.5, Formaldehyde, TVOC, Temperature, and Humidity Meter
$49.95 Save $4.05 RRP: $54.00
Smart Gas Leak Detector: Reliable Methane Alarm & Combustible Gas Sensor for Home Safety
$46.95
New semiconductor carbon dioxide detector CO2 indoor temperature and humidity air three-in-one monitor automatic calibration
$31.95 Save $16.00 RRP: $47.95
MQ131 High Concentration Ozone Sensor Gas Sensor Module for Ozone High Concentration Analog TTL Level Output
$31.95 Save $22.05 RRP: $54.00
Wifi Natural Gas Sensor Combustible Household Smart Gas Alarm Detector Leakage Sensor Wifi Temperature Detectors EU Plug
$37.95
Continuous Quantitative Analysis Ammonia Gas Hold 9000B Detector
$359.00 Save $50.00 RRP: $409.00
Natural Gas Detector and Carbon Monoxide CO Detector,Combustible Gas Detector Monitor for Co, Methane in Kitchen-EU Plug
$32.95 Save $36.05 RRP: $69.00
Multi in 1 Air Quality Sensor High Accuracy Particle Concentration Gas Detector for Carbon Dioxide PM2.5
$69.00 Save $10.00 RRP: $79.00
ZN2CO5 Digital Air Quality Monitor 5 In 1 Infrared Sensor Carbon Dioxide Detector HCHO Temperature Humidity TesterWhite
$104.00 Save $25.00 RRP: $129.00
Mini Gas Detector Combustible Methane Natural Gas Leak Tester Sensor for Home HT66
$44.95 Save $9.05 RRP: $54.00
Halogen Gas Leak Detector High Precise 7 Gear Sensitivity Refrigerant Gas Meter Sound Light Alarm Halogen Tester
$724.00 Save $150.00 RRP: $874.00
PM2.5 Detector LED Household Air Quality Vehicle Environment Monitor A1 Communication 2.8in
$94.00 Save $25.00 RRP: $119.00
ZNAZ2CO1 3 in 1 Smart Carbon Dioxide Detector Multifunctional Infrared Air Quality Monitor(White )
$104.00 Save $25.00 RRP: $129.00
HT66 Gas Leak Detector 50-1000PPM Sound Alarm Mini Household Handheld Combustible Natural Methane G jn
$34.95 Save $6.00 RRP: $40.95
5 in 1 Air Quality Monitor TVOC HCHO Temperature Humidity CO2 Meter, USB Rechargeable CO2 Detector Black JP
$30.95 Save $6.00 RRP: $36.95
MS1100 gas sensor module, high-precision TVOC and CO2 detection
$11.95
Radiation Pollution Detector Multifunctional Geigers Counter Portable Radiation Dosimeter Detectors
$329.00 Save $320.00 RRP: $649.00
LS122 Portable Infrared Luminance Detector IR Rejection Detector
$74.00 Save $20.00 RRP: $94.00