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Shop the best prices on 7,779 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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225 - 256 of 7,779
2PCS MQ3 Gas Sensor Module Dual Indicator Breath Alcohol Detection with TTL and Analog Output
$20.95 Save $10.00 RRP: $30.95
Gas Leak Detector and Combustible Gas Analyzer for Rapid Natural Gas Leak Detection Tester Handheld
$209.00 Save $100.00 RRP: $309.00
USB Charging Carbon Dioxide Air Quality Detector Temperature Humidity Environment Monitor CO2 Gas Concentration NDIR
$74.00
Formaldehyde Monitor Carbon Dioxide Detector TVOC Detector Temperature and Humidity CO 2 Air Quality Monitor Black
$27.95
-Z19 -Z19C IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR Accessories
$20.95
WiFi Smart Air Quality Monitor CO2 Meter TVOC HCHO PM2.5 Tester Digital CO2 Sensor Formaldehyde Gas Detector Tuya APP B
$79.00
HLW-100 4-in-1 Air Quality Detector Formaldehyde CO2 PM2.5 PM10 Tester Smart Air Monitor Real-Time Indoor Data
$59.00
Indoor Air Quality Monitor,CO2 Monitor/Temperature/Formaldehyde Detector/Humidity TVOC for Rooms,Grow Tents Black
$24.95
Indoor Air Quality Monitor,CO2 Monitor/Temperature/Formaldehyde Detector/Humidity TVOC for Rooms,Grow Tents White
$24.95
5801587836 5802392186 New Probe Ammonia NH3 Sensor for STRALIS XWAY X-WAY S-WAY Euro 6 HD9
$149.00
Tuya WiFi 7 in 1 Smart Air Quality Monitor CO2 Meter TVOC HCHO PM2.5 Tester CO2 Sensor Formaldehyde Gas Detector White
$69.00
PTH-10DH Carbon Monoxide Detector CO Air Quality Portable Horizon Monitor HD LED Screen USB Chargin
$79.00
12 in 1 Air Quality Monitor CO2 Monitor with Time/ Date Display WIFI PM2.5 PM10 CO CO2 TVOC HCHO Te
$59.00
WiFi Smart Gas Leakage Detector EU PLUG
$25.95
DEWIN Gas Leak Detector, Natural Gas Tester with ble & Visual Alarm, Portable High Sensitivity Gas Sniffer to Locate Combustible Gas Leak
$42.95 Save $16.05 RRP: $59.00
PT02 Plus WiFi Air Quality Monitor Detects Pollen TVOC CO CO2 PM2.5 1.0 Temp RH IoT Controller RS48
$179.00 Save $30.00 RRP: $209.00
5 in 1 Air Quality Monitor, USB Rechargeable CO2 Detector Black
$17.95
BSIDE G1 Combustible Gas Detector Room Temperature Natural Gas Methane Propane Gasoline Leak Tester
$34.95 Save $10.00 RRP: $44.95
Car Accessories Oxygen Sensor O2 Sensor for
$35.95 Save $6.00 RRP: $41.95
Electrochemical NH3 Ammonia Gas Sensor Indoor Air Quality Environmental Monitoring SC05-NH3 Random C
$40.95 Save $23.05 RRP: $64.00
Portable Gas Leak Detector for Natural Gas, Propane, Methane, Butane, LPG, LNG - Sound Alarm for RV and Home Kitchen
$89.00
Methane Combustible Gas Leak Detector Analyzer with Double Alarm and LCD Display
$99.00
HT601A Portable LED Combustible Flammable Gas Detector Gas Leakage Tester Analyzer
$69.00 Save $25.00 RRP: $94.00
Household Gas Leak Detector for Natural Gas, LPG, and City Gas with Voice Alerts and Flashing Light Alarm for Methane, Propane, and Butane S
$59.00
3 in 1 Handheld CO2 Meter Air Quality Monitor for Carbon Dioxide Measurement Up to 5000 Ppm
$129.00
Industrial Gas Monitor Meter for Leak Detection and Safety Protection
$94.00 Save $55.00 RRP: $149.00
Rain And Sensor Transmitter Ip65 Output Rs485 Portable Induct Detect With In
$139.00 Save $190.00 RRP: $329.00
Halogen Detector Gas Detector Freon Leak Detector Gas Leak Detector Hcfcs Testing Tools Portable 1 P
$104.00 Save $145.00 RRP: $249.00
Tuya 10 In 1 Wifi Air Quality Detector Co2 Gas Tester Formaldehyde Monitor Pm2.5 Pm10 Tvoc Hcho Inf
$259.00 Save $390.00 RRP: $649.00
ASAIR ACD10 Electronic Carbon Dioxide Sensor Module Infrared NDIR High-Precision CO2 Gas Concentrat
$14.95 Save $6.00 RRP: $20.95
CO2 Temperature Humidity Monitor 400‑5000PPM Real Time Monitoring High Accuracy Portable CO2 Detector with Alarm
$89.00 Save $15.00 RRP: $104.00
E Shape 35K RPM Dental Lab Jewelry Micromotor Polishing Micro Motor Handpiece Electric Nail Drill Handle
$94.00 Save $15.00 RRP: $109.00