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Shop the best prices on 8,061 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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2,625 - 2,656 of 3,200
2X HT66 Gas Leak Detector 50-1000PPM Sound Alarm Mini Household Handheld Combustible Natural Methane Gas Leak Detector
$64.00 Save $35.00 RRP: $99.00
3X MH-Z19 MH-Z19C IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR Accessories
$48.95 Save $25.05 RRP: $74.00
CY-12C Portable Oxygen Analyzer Oxygen Concentration Tester Handheld Oxygen Tester Analysis Instruments
$159.00 Save $90.00 RRP: $249.00
MG811 CO2 Sensor Sensor Module
$44.95 Save $49.05 RRP: $94.00
Combustible Gas Detector Alarm Digital Combustible Gas Detection Instrument Gas
$74.00 Save $45.00 RRP: $119.00
ET825 Electromagnetic Radiation Detector for Detecting Radiation Electric Appliance Radiation Survey Meter with Battery
$33.95 Save $5.00 RRP: $38.95
Air Quality Monitor CO2 CO PM2.5 HCHO TVOC Temperature Humidity Monitor Home Air Quality Detector
$159.00 Save $20.00 RRP: $179.00
GN803 Handheld Gas Leak Detector Methane Combustible Gas Testers Portable Gases Concentration Analyzer Meter
$28.95 Save $5.00 RRP: $33.95
-20 Nuclear Radiation Detector Composite Marble CT/ Ray Radioactive Personal Dose Alarm
$69.00 Save $10.00 RRP: $79.00
9- WiFi Attitude Sensor Accelerometer Gyroscope Attitude Angle Magnetic Field Tilt Measurement WT901-WiFi
$43.95 Save $7.00 RRP: $50.95
Air Quality Meter PM2.5 PM10 Carbonic Oxide Carbon Dioxide TVOC HCHO Tester TFT Carbon Dioxide Detector
$69.00 Save $20.00 RRP: $89.00
SCD40 Gas Sensor Module Detector CO2 Carbon Dioxide
$44.95
Tuya Wifi Gas Leak Detector Combustible Gas Alarm Color Screen Display Temperature for Kitchen Villa Warehouse
$59.00
Portable gas alarm for RV and camper
$59.00 Save $35.00 RRP: $94.00
Combustible Gas Detector 5050000PPM LCD Display Screen Portable Gas Leak Tester for Pipeline
$79.00 Save $25.00 RRP: $104.00
ZE25-O3 Sensor Module for Monitoring, 0-10ppm Range with Multiple Output Options
$69.00 Save $10.00 RRP: $79.00
Gas Leak Detector with Digital Air Quality Meter 9999 PPM Analyzer for Natural and Flammable Gas HT601A
$129.00 Save $60.00 RRP: $189.00
Combustible Gas Detector Combustible Natural Gas Methane Combustible Gas Detector Gas Leak Detection Alarm
$69.00 Save $30.00 RRP: $99.00
Air Quality Monitor WiFi 9 in 1 Multifunctional Portable CO2 Monitor for Wine Cellars Homes
$299.00 Save $10.00 RRP: $309.00
Tuya WiFi 15in1 Air Quality Detector Household Portable PM0.3 PM1.0 PM2.5 PM10 CO CO2 TVOC HCHO Tester Black
$94.00 Save $25.00 RRP: $119.00
Handheld Oxygen Air Quality Monitor High Precision Temperature Humidity O3 Sensor Gas Detector Indo
$104.00
US PLUG,Gas Monitor for O2,CO,H2S,Combustible Gas Tester,4 Gas Leak Detector with Sound,Light&Vibra
$139.00
4 Gas Monitor,4 Gas Detector for H2S,CO, and O2,Adopt High-Precision ADC Acquisition Chip and 32-Bi
$199.00
Tuya 300m ME204R RF433 Gas Detector LED Display Portable Smart Home Device Gas Tank Meter LGP Tank
$359.00
6 In 1 Air Quality Detector Lcd Large Screen Co2 Meter Pm2.5 Pm10 Hcho Tvoc Co Co2 Co Carbon Dioxide Formaldehyde Monitor
$46.95 Save $57.05 RRP: $104.00
Portable Air Quality Detector, CO2, TVOC, HCHO, Humidity, Temperature, 5 in 1, Multifunctional Indoor Air Quality Tester, White
$29.95 Save $9.00 RRP: $38.95
2pcs MQ-3 Alcohol Gas Sensor Module Ethanol Detector Breath Gas Detection Board
$14.95 Save $4.00 RRP: $18.95
Gas Leak Alarm 85Db Wifi Leakage Tester Sniffer for TUYA Smart Life App
$54.00 Save $15.00 RRP: $69.00
RM-75 Radon Detector Air Quality Gas Monitor Temperature and Humidity Smart Detector with Touch Screen Alarm Sensor
$289.00 Save $180.00 RRP: $469.00
CO2 Carbon Dioxide Detector for Air Quality, Temperature and Humidity, Quick CO2 Measurement, Cisea White Other
$18.95 Save $16.00 RRP: $34.95
ASAIR ACD10 Electronic Carbon Dioxide Sensor Module Infrared NDIR High-Precision CO2 Gas Concentration Detection
$32.95 Save $16.00 RRP: $48.95
6 In 1 Air Quality Detector Lcd Large Screen Co2 Meter Pm2.5 Pm10 Hcho Tvoc Co Co2 Co Carbon Dioxide Formaldehyde Monitor Other
$64.00 Save $45.00 RRP: $109.00