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Shop the best prices on 8,065 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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1,985 - 2,016 of 3,200
Combustible Gas Detector High Accuracy LCD Display Combustible Gases Leakage Tester with Flashlight and Temperature and Humidity Measurement
$69.00 Save $40.00 RRP: $109.00
Mini Co2 Detector (color)
$129.00 Save $180.00 RRP: $309.00
Portable Carbon Monoxide Detector Co2 Controller For Campervan Outdoor Hiking
$489.00
Multi Gas Detector Gas Meter O2 H2s Co 4 In 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustible G
$449.00
AS8800L Gas Detector Protable Mini Combustible Gas Leakage Location Determine Tester with Sound and Light Alarm
$69.00 Save $70.00 RRP: $139.00
Dr850 4 In 1 Portable Multi Gas Detector Ip65 Waterproof Gas Leak Meter For O2 / Co / H2s / Comb
$249.00
Air Quality Monitor Multifuncional CO2 Temperature Pressure Humidity ABS Housing Alarm Meter for Car 5V
$179.00 Save $20.00 RRP: $199.00
Carbon Dioxide Controller Single Channel Split Probe CO2 Monitor CO2 Pressure Reducer Valve for Gre
$289.00
Rm370 carbon monox detector
$69.00
Portable Combustible Gas Detector High Sensitivity Gas Leak Tester USB Rechargeable CH4 and C4H10 D
$64.00
Air Quality Monitoring Carbon Dioxide Detector Ndir Channel Sensor 0-5000 Ppm Range
$299.00 Save $425.00 RRP: $724.00
Tuya Wifi Portable Air Quality Meter 7in1 PM2.5 CO2 TVOC HCHO AQI Temperature Humidity Tester 2.8inch TFT Color Display Carbon Dioxide Detector
$119.00 Save $10.00 RRP: $129.00
Carbon Dioxide Detector, Carbon Monoxide Detector, Temperature and Humidity Detector, Air Quality M
$89.00 Save $60.00 RRP: $149.00
Mini Indoor Carbon Dioxide Concentration Detector Co2 Detector
$179.00 Save $120.00 RRP: $299.00
Carbon Dioxide Detector Medidor Co2 Wall Air Quality Monitor With Alarm Co2 Meter Tester Ndir Air Temperature Humidity Detector unbrand
$339.00 Save $180.00 RRP: $519.00
Carbon Dioxide Detector Air Quality Monitor High Accuracy For Hotel For Bedroom
$309.00
15 in 1 Carbon Dioxide Detector PM Formaldehyde Detector Tvoc Detector Temperature and Humidity
$89.00
Naiwang Wifi Detector Tvoc Gas Mon Co2 Dioxide Meter With 4.3 Inch Screen Temperature Humidity Detector Mon
$439.00 Save $360.00 RRP: $799.00
Air Quality Monitor CO2 Detector 3 in 1 Accurate Tester for CO2 Temperature Humidity NDIR Sensor Carbon Dioxide Meter Concentration Tester with Alarm
$89.00 Save $30.00 RRP: $119.00
Portable Gas Detector Alarm - Real-Time Multi-Gas Detection, IP65 Waterproof, USB Data
$1,299.00
Gas Tester Combustible Gas Detector Gas Leak Detector Natural Gas Detector Gas Analyzer
$189.00 Save $60.00 RRP: $249.00
CO Gas Sensor Carbon Monoxide Sensor UART Digital Output SC16B-CO (0-1000PPM)
$24.95 Save $17.00 RRP: $41.95
2X MQ131 High Concentration Gas Sensor Module for High Concentration Analog TTL Level Output 10-1000
$44.95 Save $34.05 RRP: $79.00
Digital Display Filter Water Flow Meter for Liquids Measuring
$59.00 Save $45.00 RRP: $104.00
-Z19 -Z19E IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR for CO2 Monitor 400-5000Ppm
$25.95 Save $8.00 RRP: $33.95
Tuya WIFI Combustible Gas Detector Gas Alarm Digital Gas Detection Sensor Sound Alarm Smart Air Qua
$31.95 Save $9.00 RRP: $40.95
SC8 Single-Channel (400-5000 Ppm) CO2 Sensor High- Infrared CO2 Concentration Detection Module
$21.95
Formaldehyde Monitor Carbon Dioxide Detector TVOC Detector Temperature and Humidity CO 2 Air Qualit
$23.95 Save $1.00 RRP: $24.95
Portable Household Gas Alarm Natural Gas Detector LCD Display Combustible Gas Alarm EU Plug
$29.95 Save $9.00 RRP: $38.95
Portable Gas Detector Made of Steel Alloy and ABS Rubber for Testing Nitrogen Purity of Automobile Tires
$479.00 Save $145.00 RRP: $624.00
4 in 1 Gas Detector CO H2S O2 EX Tester Analyzer LCD Display Rechargeable Sound Light Vibration Alarm Air Quality Tester
$189.00 Save $60.00 RRP: $249.00
MT03 Air Quality Monitor with Stand CO2 Temperature Humidity Tester CO2 Detector Carbon Dioxide Det
$23.95 Save $4.00 RRP: $27.95