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Shop the best prices on 7,934 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, GreenZech, Habicare and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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2,881 - 2,912 of 3,200
2X SCD40 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity 2 in 1 Sensor
$50.95
5 In 1 Co2 Carbon Dioxide Detector Agricultural Production Greenhouse Co2 Monitor Humidity Tester
$149.00
Smart Halogen Leak Detector Gas Detector Freon Gas Analyzer Cfc Hfc Halogen Gas Refrigerant Leak Detector Air Conditioning R22a
$159.00
Elitech Wjl-6000 Air Conditioning Halogen Gas Leak Detector Freon Gas Analyzer Cfc Hfc Halogen Gas Refrigerant Leak Detector Air
$139.00
Co2 Monitor Meter Sensor Indoor With Alarm, Air Quality Carbon Dioxide Monitor With 400-5000 Ppm-ndir Co2 Tester Reader
$149.00
Wt8823 Portable Combustible Gas Detector Natural Gas Methane Leakage Alarm Testing Instrument
$179.00
Handheld Portable Nuclear Radiation Detector Radiation Dose Alarm
$129.00
Luftqualitätsmonitor Intelligenter Luftanalysator CO2 Sicherheitsmessgerät Für Growzelte Schlafzimmer Präzise Überwachung
$54.00 Save $25.00 RRP: $79.00
AS8800L Handheld Combustible Analyzer And Automotive Gas Detector For Leakage Location, Portable Meter And Tester
$139.00 Save $70.00 RRP: $209.00
Luftqualitätsmonitor für Innenräume - Präziser CO2 Detektor für Growzelte und Schlafzimmer, Sicherheitsmessgerät für Luftqualität
$54.00 Save $25.00 RRP: $79.00
Smart Gas Monitoring Portable Ozone Analyzer Multifunctional Intelligent O3 Meter Gas Detector Air Quality Monitor
$159.00 Save $80.00 RRP: $239.00
Air Quality Monitor Portable Ozone O3 Detector 0-5 PPM Gas Detector Handheld Ozone Meter Analyzer Intelligent Sensor
$219.00 Save $100.00 RRP: $319.00
AS8800L Handheld Combustible Gas Detector for Automotive Leak Location with Audible Alarm and Radon Detection
$149.00 Save $70.00 RRP: $219.00
Air Quality Monitor Gas Analyzer Freon Leak Tester CFCs HCFCs HFCs Halogen Refrigerant Gas Detector For Air Conditioning
$189.00 Save $90.00 RRP: $279.00
3 in 1 CO2 Meter Air Quality Monitor Handheld 5000Ppm CO2 Monitor Measurement Carbon Dioxide / Detector S8601
$45.95 Save $23.05 RRP: $69.00
Gas Detector WJL-6000 Freon Leak Detector Halogen Leak Detector For Refrigerant Gas HVAC R22 R410A R134A R1234YF
$84.00 Save $45.00 RRP: $129.00
1860 Wearable High Voltage Alarm Detector, Non-Contact Induction, 0.4kV-500kV, Sound & Light Safety Alert, V-Watch
$129.00 Save $60.00 RRP: $189.00
MICS-5524 Air Quality Gas Sensor Module CO H2 Methane Ethanol Detection Board High Sensitivity for I2C for Arduino DIY
$13.95 Save $8.00 RRP: $21.95
Handheld Portable Natural Gas Leak Detector with Combustible Gas Alarm, Temperature and Humidity Measurement, Storage Bag
$79.00
Portable FourGas Detector with RealTime Alarm, ExplosionProof Design for Toxic and Combustible Gases AGG24A
$259.00 Save $130.00 RRP: $389.00
Air Quality Monitor | CO2 Detector Tester - Accurate Carbon Dioxide Measurement Device for Grow Tents and Bedrooms
$54.00 Save $25.00 RRP: $79.00
Air Particulate Counter and Portable Ozone Analyzer, Multifunctional O3 Meter with Intelligent Sensor for Air Quality Monitoring
$199.00 Save $90.00 RRP: $289.00
Gas Analyzers Handheld Carbon Monoxide Meter LCD Display Portable Detector Sound Light Alarm
$139.00 Save $60.00 RRP: $199.00
Intelligent Electronic Halogen Leak Detector, Gas Detector, Easy Maintenance, Yellow ABS, 150 x 35 x 33 mm
$69.00 Save $30.00 RRP: $99.00
Portable Gas Leak Detector for CH4 and C4H10, USB Rechargeable, High Sensitivity, Compact Design for Safety Monitoring
$74.00 Save $35.00 RRP: $109.00
Air Quality Monitor Carbon Dioxide Monitor for Grow Tents and Bedrooms | Precise CO2 Safety Measuring Device with LCD Display
$54.00 Save $25.00 RRP: $79.00
Air Quality Meter for Home - CO2 Monitor | Accurate Carbon Dioxide Measurement for Grow Tents and Bedrooms
$54.00 Save $25.00 RRP: $79.00
Air Quality Meter for Home, Portable Air Quality Detector with Clear LCD Display for Bedroom and Grow Tent Monitoring
$54.00 Save $25.00 RRP: $79.00
HVAC Leak Detector Refrigerant Gas Tester for Air Conditioning Repair Home Industrial Use
$139.00 Save $70.00 RRP: $209.00
AC Leak Detector Lamp Refrigerant Leakage Test Detector Kit, Efficient Leakage Tester Light for Refrigerators and Devices
$41.95 Save $22.05 RRP: $64.00
CO2 Sensor Module Infrared Carbon Dioxide Detector for Air Quality Monitoring
$219.00 Save $110.00 RRP: $329.00
Refrigerant Detector Air Gas Detector For HVAC AC Leak Detector Propane ABS Yellow
$69.00 Save $30.00 RRP: $99.00