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Shop the best prices on 8,026 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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1 - 32 of 3,200
Ozone Analyzer O3 Ozone Gas Detector Intelligent Sensor Ozone Meter Air Quality Gas Monitor Temperature Humidity Tester
$32.95
Multi Gas Detector Gas Meter O2 H2S CO 4 in 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Ga
$149.00 Save $80.00 RRP: $229.00
MS6818 Cable Metal Pipe Finder Underground Tester Short Circuit Interruption Detection Cable Locato
$239.00 Save $30.00 RRP: $269.00
WINTACT WT8822 Hydrogen Sulfide Detector Independent H2S Gas Sensor Warning-up High Sensitive Poisoning Alarm Detector
$84.00 Save $75.00 RRP: $159.00
3 in 1 CO2 Meter Air Quality Monitor Handheld 5000Ppm CO2 Monitor Measurement Carbon Dioxide ℃/℉ Det
$19.95 Save $18.00 RRP: $37.95
Air Quality Monitor 5 in 1 Air Quality Detector C02 Detector White
$16.95 Save $4.00 RRP: $20.95
Radon Detector Monitor Analyzing Tool Radon Detector
$159.00 Save $100.00 RRP: $259.00
Handheld Combustible Gases Leak Detector Natural Gases Leakage Analyzer Tester Portable Gases Leak L
$94.00 Save $25.00 RRP: $119.00
3-In-1 CO Carbon Monoxide Monitor CO Temperature and Humidity Detector CO Air Quality Monitor HD LED Screen Orange
$51.95 Save $17.05 RRP: $69.00
CO2 Detector Sensor 5-in-1 Air Quality Monitor with Temperature Humidity Meter for Office Hotel Rest
$54.00 Save $95.00 RRP: $149.00
Formaldehyde Detectors Portable Indoor Air Quality Monitor With Display HCHO Detector Indoor Pollution Meter New Model
$149.00 Save $70.00 RRP: $219.00
CO2 Air Detector Carbon Dioxide Detector Agricultural Production Greenhouse CO2 Monitor White
$29.95 Save $6.00 RRP: $35.95
3 in 1 CO2 Meter Air Quality Monitor Handheld 5000Ppm CO2 Monitor Measurement Carbon Dioxide / Detector S8601
$22.95
Handheld Carbon Monoxide Meter, 80Db Light CO Leak Detector, Portable Handheld CO Detector, CO Gas A
$42.95 Save $16.05 RRP: $59.00
Portable Turbidity Meter 0-1000 NTU Handheld Water Quality Tester
$169.00
Leak Detector High Sensitivity R22 R32 R134a Refrigerant HVAC Air Conditioner Freon Gas Leak Temp T
$47.95 Save $16.05 RRP: $64.00
Wifi Natural Gas Sensor Tuya Smart Alarm Gas Leakage Detector Fire Security Digital LCD Temperature Display
$27.95 Save $16.00 RRP: $43.95
6in1 Digital Wifi Water Quality Tester PH/EC/TDS/SALT/G.S/Temp Meter Water Analyzer APP Online Remo
$119.00 Save $10.00 RRP: $129.00
Handheld Oxygen Air Quality Monitor High Precision Temperature Humidity O3 Sensor Gas Detector Indo
$94.00 Save $10.00 RRP: $104.00
Mini CO2 Detector,Air Quality Monitor, Infrared CO2 Monitor
$52.95
Natural Gas Detector and Carbon Monoxide CO Detector,Combustible Gas Detector Monitor for Co, Methane in Kitchen-EU Plug
$38.95 Save $20.05 RRP: $59.00
Mq138 Formaldehyde Sensor Module Gas Detection Sensor Module -138 Aldehydes And Ketones Alcohols Ga
$47.95 Save $16.05 RRP: $64.00
WiFi Gas Alarm Plug in Combustible Gas Detector for Tuya APP Control Support Flammable Gases Methane Butane Detecting for Home RV
$33.95 Save $10.00 RRP: $43.95
Handheld Oxygen Air Quality Monitor High Precision Temperature Humidity O3 Sensor Gas Detector Indoor O3 Quality Monitor
$84.00 Save $35.00 RRP: $119.00
Handheld Oxygen Concentration Detector Temperature and Humidity Detection Oxygen Detector Oxygen Test Exceeding Alarms
$109.00 Save $30.00 RRP: $139.00
Refrigerant Leak Detector with Flexible Gooseneck Probe, MultiMode Alarm for HVAC and Auto
$79.00 Save $40.00 RRP: $119.00
Wall Mounted Chlorine Gas Detector 020ppm with 0.01ppm Sensitivity and RealTime Monitoring
$1,649.00 Save $800.00 RRP: $2,449.00
Hay Moisture Tester, with Probe & Backlight LCD Display for Hay, Forage Grass, Alfalfa and Other Hays Moisture Testing
$74.00 Save $65.00 RRP: $139.00
2.4G Wifi Natural Gas Sensor Combustible Smart LPG Gas Alarm Detector Leakage Sensor Wifi Temperature Detectors EU PLUG
$25.95
Indoor Air Quality Monitor, 2in1 Carbon Dioxide and TVOC Detector, for Office and Home
$43.95
3 in 1 CO2 Meter Air Quality Monitor Handheld 5000Ppm CO2 Monitor Measurement Carbon Dioxide / De
$36.95 Save $6.00 RRP: $42.95
Tuya WIFI Household Fire Detector with Sensor for Home Security
$37.95 Save $7.00 RRP: $44.95