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Shop the best prices on 8,053 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
Natural Gas Sensor Sensor Propane Butane LPG Natural Motor Home Marine 12V
$32.95 Save $19.00 RRP: $51.95
WiFi Smart Air Quality Monitor CO2 Meter TVOC HCHO PM2.5 Tester Digital CO2 Sensor Formaldehyde Gas
$74.00 Save $65.00 RRP: $139.00
Ammonia Gas Detectors NH3 Gas Analyzers Meter Alarm Device Digital Gas Leak Detectors 0-100PPM
$189.00 Save $60.00 RRP: $249.00
2 In 1 Version Wifi Function Smart Life Smoke Detector Sensor & Carbon Monoxide Co Gas Detector Smo
$50.95 Save $28.05 RRP: $79.00
Indoor Air Quality Monitor,CO2 Monitor/Temperature/Formaldehyde Detector/Humidity TVOC for Rooms,Gr
$17.95 Save $41.05 RRP: $59.00
Indoor Air Quality Monitor,CO2 Monitor/Temperature/Formaldehyde Detector/Humidity TVOC for Rooms,Gr
$17.95 Save $41.05 RRP: $59.00
Portable Infrared CO2 Air Quality Detector Carbon Dioxide Formaldehyde Detector Indoor Temperature Hygrometer
$69.00 Save $30.00 RRP: $99.00
SCD40 Gas Sensor Module 2.4-5.5V Detects CO2 Carbon Dioxide Temperature and Humidity Sensor I2C Comm
$54.00 Save $15.00 RRP: $69.00
Refrigerant Leak Detector 0-1000PPM Air Conditioning HVAC Refrigerant Leak Detector HCFC HFO Tester
$59.00 Save $10.00 RRP: $69.00
Gas Leak Detector with LCD Display and Sound Alarm for Methane Natural and Liquefied Petroleum Gas A
$28.95 Save $7.00 RRP: $35.95
SGP40 VOC Sensor,Digital SGP40 VOC (Volatile Organic Compounds) Gas Sensor, I2C Bus
$29.95 Save $7.00 RRP: $36.95
Air Conditioner Fluorine Leak Detector Refrigerant Leak Detector Freon Refrigerant Leak Detector HD0
$49.95 Save $14.05 RRP: $64.00
Natural Leak Detector for Home & Industrial, Rechargeable Combustible Detector 0-100% LEL Monitor,w
$199.00 Save $20.00 RRP: $219.00
3-in-1 Carbon Monoxide Detector 0-1000PPM Portable Mini Air Quality Monitor with Lanyard Alarm CO Gas Meter Temperature Humidity Sensor Built-in
$59.00 Save $15.00 RRP: $74.00
Travel Carbon Monoxide Detector, IP67 Waterproof Portable CO Gas Alarm for Vehicle, Aviation, Camping, Audible, Alerts
$179.00 Save $50.00 RRP: $229.00
High Accuracy And Instant Halogen Gas Leakage Tester,with Indicator Light
$38.95 Save $30.05 RRP: $69.00
WIFI Tuya Smart CO2 Sensor Carbon Dioxide Detector HCHO TVOC CO2 TEMP HUMI Detector LCD Display Smart Life APP Black
$89.00 Save $30.00 RRP: $119.00
Carbon Monoxide Detectors Portable Formaldehyde Sensor Digital Air Quality Monitor Gas Analyzer LCD HCHO TVOC Detector
$33.95 Save $10.00 RRP: $43.95
5 in 1 Air Quality Monitor, USB Rechargeable CO2 Detector White
$19.95 Save $11.00 RRP: $30.95
Rosin Atomizing Pen Short Circuit Detector,for Motherboard Repair
$15.95 Save $10.00 RRP: $25.95
Handheld Carbon Monoxide Meter, 80Db CO Leak Detector,CO Gas Analyzer
$42.95 Save $26.05 RRP: $69.00
CO2 Monitor Meter Sensor, Air Quality Carbon Dioxide Monitor (White)
$43.95 Save $25.05 RRP: $69.00
Bluetooth Tuya Smart Carbon Dioxide Meter
$69.00 Save $40.00 RRP: $109.00
12676706 Nox Sensor Nitrogen Oxide Sensor for
$139.00 Save $90.00 RRP: $229.00
ANENG GN803 Gas Leak Detector Methane Combustible Gas Testers
$27.95 Save $16.00 RRP: $43.95
HABOTEST Combustible Gas Detector Gas Leak Detection Alarm
$84.00 Save $55.00 RRP: $139.00
CO2 Detector, Indoor Air Quality Monitor, TVOC Meter,for Office Home
$33.95 Save $20.05 RRP: $54.00
LD600 Freon Leak Detector Combustible Gas Detector with 16-Inch Probe
$169.00 Save $100.00 RRP: $269.00
Air Detector Pm2.5 Pm10 Co2 Formaldehyde Temperature Detector Multifunctional
$40.95
Portable 4 Gas Detector, Sound Vibrat Recharable Lcd Screen
$459.00
Gas Detector Portable Gas Leak Locat Determine Er Lcd Display Sound- Alarm Gas Yzer
$129.00
An Indry Portable Detector Gas Yzer O2 Meter Mon Measuring 0-30%vol Sound And Vibrat
$549.00