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Shop the best prices on 8,072 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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2,305 - 2,336 of 3,200
Wifi Natural Gas Sensor Tuya Smart Alarm Gas Leakage Detector Fire Security Digital LCD Temperature Display
$35.95
20-In-1 Tuya WIFI Air Quality Detector 3Pcs Subunits
$129.00
2C012,13 in 1 Tuya WIFI Air Quality Detector CO2 (with 5 slave units)
$114.00
Carbon Dioxide Controller Single Channel Split Probe CO2 Monitor CO2 Pressure Reducer Valve for Greenhouse EU Plug C
$279.00
2C012,13 in 1 Tuya WIFI Air Quality Detector CO2 (with 3 slave units)
$79.00
UT336A Refrigerant Leak Detector,Refrigerant Type Refrigeration Industry Negative Electronic Leak Detector
$139.00
SGP40 VOC Sensor Module Dual Gas Environment Detection Industrial Wide Temperature Range STEMMA QT/Qwiic Interface
$17.95
Aquarium CO2 Carbon Dioxide Monitor Glass Drop Tester Detector
$17.95 Save $5.00 RRP: $22.95
Mini Gas Detector HT66 Household Portable Gas Tester with ble and Visual Alarms
$69.00 Save $40.00 RRP: $109.00
TPM-200A Carbon Monoxide Sensor Module CO Detection
$10.95 Save $2.00 RRP: $12.95
1PC CJ-702-U Multi-in-One Sensor Module CO2/PM2.5/CH2O/TVOC
$50.95
Infrared Detector Wifi Human Body Sensor Intelligent Linkage Alarm For Tuya Household
$129.00
Carbon Dioxide Detector Co2 Meter | Tomtop.com
$409.00
Radon Sensor High Sensitivity Fast Detection Aluminum Alloy Home Radon Detector Indoor Air Quality Monitor 12V DC
$419.00 Save $30.00 RRP: $449.00
Air Pressure Tester Gauge SW512C Digital Manometer HVAC Air Pressure Meter Gauge Differential Air Pressure Tester Tool
$99.00 Save $20.00 RRP: $119.00
Electromagnetic Field Radiation Tester Radiation Dosimeter EMF Meter Electromagnetic Detector Magnetic Field Meter
$25.95 Save $3.00 RRP: $28.95
New Radiation Dosimeter 8 LED Radiation Detector High Precision Portable EMF Magnetic Field Monitor Handheld
$12.95 Save $2.00 RRP: $14.95
24G LD2450 Millimeter Wave Human Motion Tracking Radar Sensor Module LD2450 Sensing Distance 8 Meters
$16.95 Save $3.00 RRP: $19.95
4 Gas Monitor,4 Gas Detector for H2S,CO, and O2, B
$219.00 Save $90.00 RRP: $309.00
600V-7KV Fence Tester Home Garden Horse Livestock Electric Fence Voltmeter No Need Battery with 8 Indicator Light
$15.95 Save $2.00 RRP: $17.95
5-in-1 Air Quality Monitor for Formaldehyde, VOC, CO2, Temperature, and Humidity Detection Sensor
$36.95 Save $32.05 RRP: $69.00
Wjl-6000 Freon / Halogen Leak Detector Habicare
$64.00
Combustible Gas Leak Detector - Handheld
$119.00
Combustible Gas Detector With Sound & Light Alarm
$89.00
White Air Quality Monitor Co2 Meter Temperature And Humidity Carbon Dioxide Detector With Alarm Function Tabletop Real-time Air Gas Detector For Home
$199.00
CO2 Infrared NDIR Sensor Air Quality Detector Carbon Dioxide Temperature Humidity Monitor Digital Ga
$38.95 Save $50.05 RRP: $89.00
Ammonia Gas Detectors NH3 Gas Analyzers Meter Alarm Device Digital Gas Leak Detectors 0-100PPM
$179.00 Save $50.00 RRP: $229.00
US PLUG,Portable Ozone Detector(0-20 PPM&0.01 PPM High Resolution), Ozone Meter with Alarm,Temp & Humidity Tester
$219.00 Save $90.00 RRP: $309.00
US Plug,Hydrogen Sulfide Gas Detector 0-100 PPM with 3 Alarm Modes, H2S Air Quality Meter with Temp & Humidity
$129.00 Save $50.00 RRP: $179.00
Gas Leak Detector 803 Oxygen Gas Detector Oxygen Gas Detector 803 Blue Digital Display Oxygen Gas Leak Detector 10-+50℃
$119.00 Save $50.00 RRP: $169.00
Gas Leak Detector with LCD Display and Sound Alarm for Methane Natural and Liquefied Petroleum Gas Air Quality Monitor
$27.95 Save $12.00 RRP: $39.95
SCD40 Gas Sensor Module 2.4-5.5V Detects CO2 Carbon Dioxide Temperature and Humidity Sensor I2C Communication
$59.00 Save $20.00 RRP: $79.00