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Shop the best prices on 7,786 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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3,009 - 3,040 of 7,786
1085 Radon Detector Portable Home Radon Detector Natural Radon Gas Radiation Detector for New Marble
$249.00 Save $80.00 RRP: $329.00
US Plug,4 in 1 Gas Monitor for O2,CO,H2S,Combustible Gas Tester, Gas Leak Detector with Sound,Light & Vibration Alarm
$139.00 Save $60.00 RRP: $199.00
US PLUG,Gas Monitor for O2, CO, H2S, Combustible Gas Detector,4 Gas Leak Detector with Sound,Light & Vibration Alarm
$139.00 Save $70.00 RRP: $209.00
US PLUG,Gas Monitor for O2,CO,H2S,Combustible Gas Tester,4 Gas Leak Detector with Sound,Light&Vibration Alarm
$139.00 Save $70.00 RRP: $209.00
10 in 1 Air Quality Monitor Detector CO 2 TVOC PM2.5 Detector Black
$34.95 Save $5.00 RRP: $39.95
LD600 Freon Leak Detector Combustible Gas Detector Air Conditioning Refrigerant Leak Detector with 16-Inch Probe
$179.00 Save $40.00 RRP: $219.00
Tuya 300m ME204R RF433 Gas Detector LED Display Portable Smart Home Device Gas Tank Meter LGP Tank Measure 1m/50kg (US)
$359.00 Save $165.00 RRP: $524.00
Applicable to 4-in-1 Gas Detector Carbon Monoxide Oxygen Toxic Hazardous Sewer Limited Space Air Concentration
$119.00 Save $60.00 RRP: $179.00
Portable Ozone Detector(0-20 PPM&0.01 PPM High Resolution), Ozone Meter with Alarm,Temp & Humidity Tester US Plug
$199.00 Save $90.00 RRP: $289.00
NDIR CO2 Carbon Dioxide Air Gas Sensor Module Infrared IR 400-5000ppm for CO2 Monitor Terminal Type
$18.95 Save $9.00 RRP: $27.95
WIFI Natural GasDetector and Carbon Monoxide CO Detector,Combustible Gas Leak DetectorMonitor for Co,Lng,Lpg,Methane(US)
$38.95 Save $20.05 RRP: $59.00
Ozone Detector 3-in-1 Portable O3 /Temperature/Humidity Tester Air Quality Household O3 Monitor USB Charging Orange
$59.00 Save $25.00 RRP: $84.00
Refrigerant Leak Detector 0-1000PPM Air Conditioning HVAC Refrigerant Leak Detector CFC HFC HCFC HC HFO Tester ZL77B
$59.00 Save $25.00 RRP: $84.00
TPM-200A Carbon Monoxide Sensor Module Interference-Resistant High-Precision CO Air Quality Detection Sensor Module
$9.95 Save $5.00 RRP: $14.95
O2 Gas Detector Oxygen Detector Intelligent SENSOR AR8100 Oxygen Detector Rechargeable LCD O2 Gas Meter Oxygen Monitor
$159.00 Save $60.00 RRP: $219.00
BME680 Environmental Sensor Module STEMMA QT/Qwiic Interface Temperature/Humidity/Air Pressure/Gas Detection
$20.95 Save $9.00 RRP: $29.95
4 in 1 Gas Detector: CO H2S O2 LEL, Accurate Measurement, Alarm, Backlit Display
$169.00 Save $170.00 RRP: $339.00
Formaldehyde (hcho) Air Quality Test Kit
$14.95
Gas Leakage Detector with Emergency Shut Off Solenoid Valves Natural/Liquefied Gas Alarm Sensor Moni
$22.95
Combustible Gas Detector with Adjustable Sensitivity and Audio Visual Alarm for Instant Leak Location
$99.00 Save $50.00 RRP: $149.00
Refrigerant Leak Detector with Ultra Sensitive Detection and LED Indicators for HVAC and AC
$109.00 Save $60.00 RRP: $169.00
Leak Detector High Sensitivity R22 R32 R134a Refrigerant HVAC Air Conditioner Freon Gas Leak Temp T
$34.95 Save $7.00 RRP: $41.95
Refrigerant Leak Detector for HVAC and Automotive with Sensitivity, Adjustable Alerts, Flexible Probe
$104.00 Save $55.00 RRP: $159.00
High Sensitivity H2S Gas Detection Module for Hydrogen Sulfide Monitoring
$34.95 Save $29.05 RRP: $64.00
NOx Sensor 9821121180 for Nitrogen Oxide Detection and Replacement
$159.00 Save $100.00 RRP: $259.00
Universal UV Halogen Refrigerant Leak Detector for R22 R410A R134A Systems
$44.95 Save $34.05 RRP: $79.00
3 in 1 CO2 Meter Air Quality Monitor Handheld 5000Ppm CO2 Monitor Measurement Carbon Dioxide / De
$39.95 Save $19.05 RRP: $59.00
Gas Detector,rechargeable 4 Gas Monitor Ex H2s Co O2 With Digital Lcd Display,sound Light Vibration
$1,299.00 Save $650.00 RRP: $1,949.00
Multifunctional Air Detectors, Pollen/co/co2/tvoc/pm2.5/pm1.0/humidity/temperature Carbon Monoxide
$349.00 Save $200.00 RRP: $549.00
Temperature Humidity Meter, Air Quality Monitor, Co2 Detector, A
$189.00 Save $100.00 RRP: $289.00
Digital Formaldeyde Detector Handled Air Quality Monitor Hcho Tvoc Pm1.0 Pm2.5 Pm10 Detector Multifu
$229.00 Save $120.00 RRP: $349.00
Mini Indoor Carbon Dioxide Concentration Detector Co2 Detector
$259.00 Save $140.00 RRP: $399.00