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Shop the best prices on 8,068 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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705 - 736 of 3,200
2C012,13 in 1 Tuya WIFI Air Quality Detector CO2 (with 3 slave units)
$79.00 Save $50.00 RRP: $129.00
Automatic Alarm Gas Leak Detector for Methane Natural Gas LPG
$79.00 Save $60.00 RRP: $139.00
Portable Continuous Quantitative Analysis Ammonia Gas Hold Peak 9000B Detector 0-100ppm Rechargeable with LCD Screen
$389.00 Save $260.00 RRP: $649.00
Air Conditioner Fluorine Leak Detector Refrigerant Halogen Leak Detector Freon Refrigerant Leak Detector HD02
$45.95 Save $28.05 RRP: $74.00
20-In-1 Tuya WIFI Air Quality Detector 5Pcs Subunits
$149.00 Save $100.00 RRP: $249.00
Air Quality Meter Tester TFT Carbon Dioxide Detector
$69.00 Save $40.00 RRP: $109.00
Online PH / EC Monitor Meter Acidometer 2 in 1 PH EC Meter EU Plug
$46.95 Save $32.05 RRP: $79.00
K5C Mini Carbon Dioxide Detector CO Tester LED Screen USB Typc-C A
$44.95 Save $29.05 RRP: $74.00
MICS-5524 Air Quality Gas Sensor Module CO H2 Methane Ethanol Detection Board High Sensitivity for I2C for Arduino DIY
$13.95 Save $10.00 RRP: $23.95
ZE25-O3 Ozone Sensor Module for Ozone Monitoring, 0-10ppm Range with Multiple Output Options
$69.00 Save $40.00 RRP: $109.00
Air Conditioning Refrigerant Leak Tester Halogen Leak Detector for R-134a R410a R407a R22 RLD-382P US Plug
$189.00 Save $130.00 RRP: $319.00
ANENG HD02 Halogen Leak Detector R22/R32/R134a Gas Detector Analyzer Rechargable Refrigerant Gas Air Conditioning Tester Tool
$37.95 Save $26.05 RRP: $64.00
Air Quality Monitor CO2 Meter Carbon Dioxide Detector Silver
$45.95 Save $28.05 RRP: $74.00
Combustible Gas Detector Natural Gas Leak Detector Methane LPG Leak Detection Analyzers Tool with Audible Visual Alarm
$41.95 Save $27.05 RRP: $69.00
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature D
$37.95 Save $26.05 RRP: $64.00
Semiconductor CO2 Gas Sensor Carbon Dioxide Gas Sensor Air Quality Sensor Module UART Output JW01-CO2
$8.95 Save $5.00 RRP: $13.95
Gas Leak Detector with High-Precise Sensor, Flexible Probe, Visual/Audible Alarm, Portable for Home/Industrial Use
$40.95 Save $28.05 RRP: $69.00
K5C Mini Carbon Dioxide Detector CO Tester LED Screen USB Typc-C B
$46.95 Save $32.05 RRP: $79.00
HoldPeak Portable Ultrasonic Oxygen Measuring Instrument,for Detection PSA Oxygen Generator Output Concentration,Flow Rate
$309.00 Save $200.00 RRP: $509.00
Car Accessories Oxygen Sensor O2 Sensor for
$34.95 Save $24.05 RRP: $59.00
NDIR CO2 Carbon Dioxide Air Gas Sensor Module Infrared IR 400-5000ppm for CO2 Monitor Terminal Type
$19.95 Save $13.00 RRP: $32.95
Voltage Detector Detector LED for Electrical Voltage Detector Electrician
$13.95 Save $31.00 RRP: $44.95
CO2 Air Detector Carbon Dioxide Detector Agriculture Production Greenhouse CO2 Monitor-White
$44.95 Save $39.05 RRP: $84.00
Multi Gas Detector Gas Meter O2 H2s Co 4 In 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustible G
$239.00 Save $360.00 RRP: $599.00
5-in-1 Air Quality Monitor for Home Office - CO2 Temp Humidity HCHO TVOC - Accurate Environmental Detect
$44.95 Save $104.05 RRP: $149.00
Gas Detector
$149.00 Save $110.00 RRP: $259.00
CO2 Gas Concentration Detector Thermo-Hygrometer USB AAA Battery Real-Time Monitoring
$79.00 Save $190.00 RRP: $269.00
Natural Gas Detector and Carbon Monoxide CO Detector,Combustible Gas Detector Monitor for Co, Metha
$54.00 Save $40.00 RRP: $94.00
Carbon Dioxide Controller Dual Channel Split Probe CO2 Monitor CO2 Pressure Reducer Valve for Greenhouse EU Plug A
$309.00 Save $140.00 RRP: $449.00
Carbon Dioxide Controller Single Channel Split Probe CO2 Monitor CO2 Pressure Reducer Valve for Greenhouse EU Plug D
$299.00 Save $130.00 RRP: $429.00
Digital Carbon Dioxide Controller CO2 Monitor NDIR Sensing Probe 0-5000ppm Concentration Tester for Greenhouse Plant(EU)
$329.00 Save $140.00 RRP: $469.00
Carbon Dioxide Controller Single Channel Split Probe CO2 Monitor CO2 Pressure Reducer Valve for Greenhouse EU Plug B
$299.00 Save $140.00 RRP: $439.00