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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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2,369 - 2,400 of 3,200
Indoor Portable CO2 Detector Multifunctional Thermohygrometer Home Digital Air Detector Intelligent Air Quality Analyzer Household Air Pollution Monit
$69.00 Save $20.00 RRP: $89.00
Halogen Gas Detector 501000PPM Sound Light Alarm Air Conditioning Refrigerant Freon Leakage Tester
$23.95 Save $14.00 RRP: $37.95
LCD LPG LNG Coal Natural Gas Leak Security Alarm Sensor Warning Detector
$28.95 Save $18.00 RRP: $46.95
Carbon Dioxide Sensor Infrared CO2 Concentration Detection 5000ppm Gas HAVC RV Smart Home Air Quality Monitor
$26.95 Save $16.00 RRP: $42.95
Refrigerant Leak Detector Tester with High Accuracy Quick Response Heated Diode Sensor Universal
$289.00 Save $160.00 RRP: $449.00
Formaldehyde Detector Formaldehyde Monitor Air Quality Monitor Tester for Indoor Home
$24.95 Save $14.00 RRP: $38.95
Multifunctional Air Quality Detector Formaldehyde HCHO Detector Carbon Dioxide CO2 Detector TVOC Detector Mini Protable Air Quality Monitoring Equipme
$51.95 Save $17.05 RRP: $69.00
HABOTEST HT609PRO Gas Leak Detector 50-1000PPM Natural Gas Detector with 3-Sensitivity Adjustable Audible & Visual Alarm Temp and Humidity Measure Loc
$54.00 Save $15.00 RRP: $69.00
Combustible Gas Detector Alarm Portable Gas Leak Tester Universal for Factories Garages
$43.95 Save $25.05 RRP: $69.00
Intelligent Digital LCD Formaldehyde Detector Protable Home Air Quality Meter Carbon Dioxide Detector Gas Analyzer
$89.00 Save $30.00 RRP: $119.00
Gas Leak Detector 803 Oxygen Gas Detector Oxygen Gas Detector 803 Blue Digital Display Oxygen Gas Leak Detector 10-+50
$109.00 Save $50.00 RRP: $159.00
4 in 1 Gas Detector CO HHS OO LEL Monitor Digital Handheld Carbon Monoxide Hydrogen Sulfide Air Quality Tester EU PLUG
$129.00 Save $70.00 RRP: $199.00
Carbon Dioxide Controller Dual Channel Split Probe CO2 Monitor CO2 Pressure Reducer Valve for Greenhouse EU Plug B
$249.00 Save $120.00 RRP: $369.00
Digital Carbon Dioxide Controller CO2 Monitor NDIR Sensing Probe 0-5000ppm Concentration Tester for Greenhouse Plant(EU)
$249.00 Save $130.00 RRP: $379.00
Electrochemical NH3 Ammonia Gas Sensor Indoor Air Quality Environmental Monitoring SC05-NH3 Random Colors
$36.95 Save $22.05 RRP: $59.00
WIFI Natural GasDetector and Carbon Monoxide CO Detector,Combustible Gas Leak DetectorMonitor for Co,Lng,Lpg,Methane(US)
$33.95 Save $18.00 RRP: $51.95
CCS811 Gas Sensors Carbon Dioxide Detection Sensors Module CO2 ECO2 TVOC Air Quality Detecting Output CJMCU-811
$17.95 Save $9.00 RRP: $26.95
Mini Radon Air Quality Monitor Temperature Humidity Data Adjustment Radon Sensor Monitor Indoor Radon Gas Detector
$159.00 Save $80.00 RRP: $239.00
Radon Detector Monitor Analyzing Tool Radon Detector
$179.00 Save $30.00 RRP: $209.00
US PLUG,Portable Detector(0-20 PPM&0.01 PPM High Resolution)
$219.00 Save $30.00 RRP: $249.00
US Plug,Hydrogen Sulfide Gas Detector 0-100 PPM with 3 Alarm Modes
$129.00 Save $20.00 RRP: $149.00
HLW-100 4-in-1 Air Quality Detector Formaldehyde CO2 PM2.5 PM10
$50.95 Save $8.05 RRP: $59.00
DR850 Portable Multi Gas Detector IP65 Waterproof Gas Leak Meter
$179.00 Save $30.00 RRP: $209.00
Refrigerant leak detector GL77B
$59.00 Save $10.00 RRP: $69.00
-02 Portable Gas Leak Detector 50000PPM Sound Light Alarm
$69.00 Save $15.00 RRP: $84.00
Digital Gas Leak Detector PPM Range Alarm Semiconductor Sensor
$109.00 Save $20.00 RRP: $129.00
Oxygen Analyzer Portable O2 Concentration Meter Detector US Plug
$179.00 Save $30.00 RRP: $209.00
Continuous Quantitative Analysis Ammonia Gas Hold 9000B Detector
$389.00 Save $60.00 RRP: $449.00
Leak Detector High Sensitivity R22 R32 R134a
$52.95 Save $11.05 RRP: $64.00
Gas Leak Detector 803 Oxygen Gas Detector Oxygen Gas Detector
$109.00 Save $20.00 RRP: $129.00
Portable Gloss Meter -300 SE with 0.2GU High Accuracy
$259.00 Save $40.00 RRP: $299.00
Carbon Monoxide Detector,CO Detector 0-1000 PPM with Sound, US Plug
$89.00 Save $15.00 RRP: $104.00