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Shop the best prices on 8,055 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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2,913 - 2,944 of 3,200
12v Gas Detector Sensor Alarm Propane Butane Lpg Natural Motorhome Camper
$44.95 Save $19.05 RRP: $64.00
SC8 Single-Channel (400-5000 Ppm) CO2 Sensor High- Infrared CO2 Concentration Detection Module
$21.95 Save $6.00 RRP: $27.95
-Z19C Pin Probe Low-Power Infrared Carbon Dioxide Gas Sensor CO2 Gas Concentration Leak Detection P
$51.95 Save $12.05 RRP: $64.00
4-in-1 Gas Detector with Sensors for Carbon Monoxide Oxygen and Gases Portable Harmful Alarms for Sa
$259.00 Save $70.00 RRP: $329.00
CGD05A Combustible Gas Detector Meter
$64.00 Save $10.00 RRP: $74.00
CO Gas Sensor Carbon Monoxide Sensor UART Digital Output SC16B-CO (0-1000PPM)
$25.95 Save $6.00 RRP: $31.95
MQ138 Formaldehyde Gas Detection Sensor Formaldehyde Sensor Module Gas Sensor High Sensitivity 4.5-5
$30.95 Save $7.00 RRP: $37.95
Smart CO2 Detector Carbon Dioxide Controller 2 Channel CO2 Monitor with Relay Power Socket for Tuya APP EU Plug 100240V
$449.00 Save $150.00 RRP: $599.00
CO2 Detector Semiconductor Air Quality Monitor Temperature Humidity Sensor H8 Plus ZNAZGG01
$32.95 Save $10.00 RRP: $42.95
Nitrogen Dioxide Detector NO2 Gas Meter 050ppm 3.5in TFT Color Screen Handheld Portable Equipment
$1,199.00 Save $350.00 RRP: $1,549.00
Carbon Dioxide Sensor Infrared CO2 Concentration Detection 5000ppm Gas HAVC RV Smart Home Air Quality Monitor
$33.95 Save $10.00 RRP: $43.95
Oxygen Detector 030%vol 5V USB Portable Oxygen Gas Meter with 1.7 Inch Backlit LED Display
$189.00 Save $50.00 RRP: $239.00
SMART SENSOR AS5750 Refrigerant Leak Detector High Sensitive USB Rechargeable Halogen Leak Detector
$104.00 Save $35.00 RRP: $139.00
-6000 Freon Leak Detector Halogen Leak Detector Refrigerant Gas HVAC R22 R410A R134A R1234YF CFCs H
$33.95
Tuya Smart WiFi CO2 Detector Sensor Air Quality Monitor TVOC CO2 CH2O Temperature Humidity Meter De
$64.00
5 in 1 Air Quality Monitor TVOC HCHO Temperature Humidity CO2 Meter, USB Rechargeable CO2 Detector Black
$40.95 Save $378.05 RRP: $419.00
NOYAFA Portable Formaldehyde Detector Indoor Air Quality Monitor HCHO and TVOC Monitor with Audible Alarm LED Indicator for Home HVAC System
$47.95 Save $181.05 RRP: $229.00
Multi-gas Detector Connected With Voice Announcement
$69.00 Save $110.00 RRP: $179.00
3 in 1 Carbon Dioxide Detector Air Quality Monitor Temperature Humidity Air Analyzer for CO2 Digital CO2 Meter for Home Office
$30.95 Save $23.05 RRP: $54.00
5 in 1 Air Quality Monitor TVOC HCHO Temperature Humidity CO2 Meter, USB Rechargeable CO2 Detector Black
$31.95 Save $57.05 RRP: $89.00
Air Quality Monitor CO2 Air Detector Carbon Dioxide Detector Temperature Humidity Sensor Real Time Reading
$59.00 Save $150.00 RRP: $209.00
MQ138 Formaldehyde Gas Detection Sensor Formaldehyde Sensor Module
$30.95 Save $8.00 RRP: $38.95
HLW-100 4-in-1 Air Quality Detector Formaldehyde CO2 PM2.5 PM10
$47.95 Save $11.05 RRP: $59.00
Bside Gas Leak Detector Combustible Natural Co2 Flammable Alcohol Lpg Methane Analyzer Rechargeable Buzzer Alarm Ppm Lel Tester
$39.95 Save $29.05 RRP: $69.00
Portable air quality temperature and humidity detection CO2 detector
$33.95 Save $7.00 RRP: $40.95
Car Fuel Leak Detector for , 9818707580
$89.00 Save $20.00 RRP: $109.00
Combustible Gas Detector, Combustible Gas Alarm, Temperature And Humidity Detector, Household Air Q
$99.00 Save $20.00 RRP: $119.00
Portable Air Quality Monitor Temperature Humidity Monitor Infrared Ndir Co2 Detector Indoor Co2 Det
$139.00 Save $30.00 RRP: $169.00
Gas Detector
$159.00 Save $30.00 RRP: $189.00
Air Quality Monitor Infrared Carbon Dioxide Detector Portable Detector
$74.00 Save $15.00 RRP: $89.00
O3 Ozone Meter Analyzer Air Detector
$219.00 Save $100.00 RRP: $319.00
Carbon Monoxide Detectors Portable Formaldehyde Sensor Digital Air Quality Monitor Gas Analyzer LCD
$64.00 Save $10.00 RRP: $74.00