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Shop the best prices on 7,047 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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2,337 - 2,368 of 3,200
HT66 Gas Leak Detector 50-1000PPM Sound Alarm Mini Household Handheld Combustible Natural Methane G
$28.95
CO2 Air Detector 3-In-1 Indoor CO2 Detector Air Quality Monitor Detects CO2 Home Office Light-And-S
$89.00 Save $50.00 RRP: $139.00
Fyearfly PM2.5 Monitor, Multifunction Indoor Air Quality Tester PM1.0 PM2.5 PM10 HCHO CO2 Temp Humidity Sensor Communication Version
$129.00 Save $20.00 RRP: $149.00
2.4G Wifi Natural Gas Sensor Combustible Smart LPG Gas Alarm Detector Leakage Sensor Wifi Temperature Detectors EU PLUG
$29.95 Save $15.00 RRP: $44.95
Air Quality Monitor Indoor, Air Quality Detector, CO2 Monitor Black
$40.95
Household Air Quality Detector Multifunctional CO2 Tester with Carbon Dioxide TVOC HCHO Value Electricity Quantity Temperature Humidity Display Functi
$129.00 Save $60.00 RRP: $189.00
CGD05A Combustible Gas Detector Meter Screen Charging PPM Unit Triple Alarm Natural Gas Leak Meter
$89.00
LCD Backlight Display pH Meter PH-3012B Quality Purity pH Meter Digital Water Quality Tester (shipped without battery)
$74.00 Save $20.00 RRP: $94.00
-6000 Freon Leak Detector Halogen Leak Detector Refrigerant Gas HVAC R22 R410A R134A R1234YF CFCs H
$24.95 Save $11.00 RRP: $35.95
AC100-260V Automatic Water Level Controller XKC C352 3P Non Contact Liquid Level Sensor for Tank Water Automatic Filling
$59.00
2 in 1 PH TDS Meter Tester Water Quality Monitor Online Acidity Monitor Analyzers Tester for Aquarium EU Plug
$59.00
ME201W Remote Tank Level Detection Smartphone Full Water Alarm System Controller for Water Level Sensor EU Plug
$79.00
Carbon Dioxide Detector Indoor CO2 Air Quality Monitor Temperature Relative Humidity Meter with Alarm for Travel
$64.00 Save $20.00 RRP: $84.00
SGP40 VOC Sensor,Digital SGP40 VOC (Volatile Organic Compounds) Gas Sensor, I2C Bus
$27.95 Save $7.00 RRP: $34.95
6in1 Digital Air Quality Monitor Detector Formaldehyde TVOC PM2.5 /CO2 Meter Temperature Humidity T
$33.95 Save $5.00 RRP: $38.95
Halogen Leak Detector Air Conditioning Refrigerant Leak Detector HVAC R22 R410A R134A CFCs HCFC Freo
$39.95 Save $34.05 RRP: $74.00
Tuya Wifi Air Quality Monitor CO2 Detector Formaldehyde VOC CO2 CH2O Temperature Humidity Detector
$30.95
-6000 Freon Leak Detector Halogen Leak Detector Refrigerant Gas HVAC R22 R410A R134A R1234YF CFCs H
$30.95
MQ136 Hydrogen Sulfide Gas Sensor Module H2S Gas Detection Sensor Module High Sensitivity Sensor Mo
$26.95
CO2 Sensor 400-10000 Ppm Carbon Dioxide Air Quality Detection Infrared Gas Sensor Module -Z19E Low
$27.95
-Z19 -Z19E IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR for CO2 Monitor 400-5000Ppm
$26.95
AD8361 RF Microwave Real Power Detector, AM Detector, Amplitude Detection
$17.95 Save $5.00 RRP: $22.95
Type-c charging home school hotel indoor use portable air quality carbon dioxide detector temperatur
$104.00 Save $55.00 RRP: $159.00
Handheld Carbon Monoxide Meter, 80Db Light CO Leak Detector, Portable Handheld CO Detector, CO Gas Analyzer
$41.95 Save $27.05 RRP: $69.00
16in1 Air Quality Detector CO2 Detector TVOC HCHO PM2.5 PM10 PM1.0Detector Humidity Temp Intelligent Monitor Monitoring Data Real Time 2.8TFT Display
$129.00 Save $50.00 RRP: $179.00
Co2 Air Detector Carbon Dioxide Detector Agricultural Production Co2 Monitor
$54.00
CO2 Detector, Indoor Air Quality Monitor, TVOC Meter,for Office Home
$37.95 Save $11.00 RRP: $48.95
Air Quality Monitor CO2 Meter Carbon Dioxide Detector Silver
$54.00 Save $20.00 RRP: $74.00
-6000UV Halogen Leak Detector Freon Leak Detector R22 R410A R134A
$38.95 Save $15.05 RRP: $54.00
MH-Z19C Pin Probe Low-Power Infrared Carbon Dioxide Gas Sensor CO2 Gas Concentration Leak Detection Probe 400-5000 Ppm
$52.95 Save $26.05 RRP: $79.00
Water Leak Detector-flood Detector Water Alarm Wireless Water Detectors With Sound And Light Alarm, White
$69.00
Air Quality Monitor CO2 Monitor Formaldehyde Detector TVOC/Temp./Humidity Indoor with Buzzer Prompt,
$38.95 Save $60.05 RRP: $99.00