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Shop the best prices on 6,000 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, Aqara, Habicare and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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97 - 128 of 3,200
Portable Air Quality Detector, Highly Accurate Handheld HCHO Detector for Home, Portable Air Quality Detector, Black
$43.95 Save $15.05 RRP: $59.00
Oxygen Analyzer Professional Portable O2 Oxygen Concentration Meter Detector 21%-95.6% O2 Meter Gas Detector US Plug
$189.00 Save $80.00 RRP: $269.00
MICS-5524 Air Quality Gas Sensor Module CO H2 Methane Ethanol Detection Board High Sensitivity for I2C for Arduino DIY
$12.95 Save $8.00 RRP: $20.95
3IN1 ECO2 ECH2O TVOC Gas Sensor Module Air Pollution Odor Sensor Y01
$10.95 Save $3.00 RRP: $13.95
CO Gas Sensor Carbon Monoxide Sensor UART Digital Output SC16-CO
$24.95 Save $12.00 RRP: $36.95
Gas Leak Detector Combustible Propane Methane Leak Warning EU Plug Combustible Gas Alarm Sensor for Home Security
$11.95 Save $5.00 RRP: $16.95
Portable Household Gas Alarm Natural Gas Detector LCD Display Independent Combustible Gas Alarm US Plug
$27.95 Save $15.00 RRP: $42.95
Module de capteur de gaz alcool MQ-3, 2 pièces, détecteur d'éthanol, carte de détection de gaz respiratoire
$15.95 Save $5.00 RRP: $20.95
Détecteur d'alarme de fuite de gaz naturel et de charbon LCD GPL
$30.95 Save $9.00 RRP: $39.95
Mini détecteur de gaz combustible, méthane, gaz naturel, testeur de fuite, capteur pour la maison HT66
$35.95 Save $11.00 RRP: $46.95
Détecteur de gaz combustible portable WT8820, détecteur de fuite de gaz naturel, alarme, test haute sensibilité
$44.95 Save $14.05 RRP: $59.00
Détecteur d'oxygène 0-30 % vol. 5 V USB, compteur d'oxygène portable avec écran LED rétroéclairé de 1,7 pouce
$159.00 Save $50.00 RRP: $209.00
Détecteur de gaz 4 en 1 CO H2S O2 EX Testeur Analyseur Écran LCD Rechargeable Son Lumière Vibration Alarme Testeur de qualité de l'air
$189.00 Save $50.00 RRP: $239.00
MH-Z19 MH-Z19E IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR for CO2 Monitor 400-5000Ppm UART PWM(A)
$24.95 Save $11.00 RRP: $35.95
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
WJL-6000 Freon Leak Detector Halogen Leak Detector Refrigerant Gas HVAC R22 R410A R134A R1234YF CFCs HCFC Detector
$27.95 Save $12.00 RRP: $39.95
SCD40 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity in One Sensor I2C Communication B
$26.95 Save $12.00 RRP: $38.95
Handheld Portable Gas-Leak Detector with Audible Visual Alarm Alarm Combustible Gas-Leak Detector
$23.95 Save $17.00 RRP: $40.95
GMV-2021B MEMS H2 Sensor Hydrogen Gas Leakage Detection Device Hydrogen Detection
$27.95 Save $12.00 RRP: $39.95
4-in-1 Gas Detector, Toxic and Hazardous Gas Tester Portable Combustible Gas Detector and Alarm
$159.00 Save $60.00 RRP: $219.00
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
SNDWAY SW-723 Gas Detector Carbon Dioxide CO2 Monitor Alarm 9999 PPM Sensor Professional Carbon Dioxide Tester Device COO Meter
$209.00 Save $90.00 RRP: $299.00
SMART SENSOR 4-in-1 Gas Detector, Toxic and Harmful Flammable Oxygen, Carbon Monoxide, Hydrogen Sulfide, Ammonia Alarm
$119.00 Save $50.00 RRP: $169.00
Protmex Portable Multifunctional Carbon Monoxide Carbon Dioxide Detector Air Quality Meter Temperature Humidity Meter Screen
$409.00 Save $190.00 RRP: $599.00
MH-Z19C Pin Probe Low-Power Infrared Carbon Dioxide Gas Sensor CO2 Gas Concentration Leak Detection Probe 400-5000 Ppm
$48.95 Save $30.05 RRP: $79.00
Handheld Oxygen Air Quality Monitor High Precision Temperature Humidity O3 Sensor Gas Detector Indoor O3 Quality Monitor
$94.00 Save $55.00 RRP: $149.00
Plug-in 4-in-1 Gas&CO Detector with Temp/Humidity - Natural Gas,Propane & Methane Detector for Home,RV & Apartments(US)
$39.95 Save $24.05 RRP: $64.00
C8D Dual-Channel (0-5000 Ppm) CO2 Sensor High-Precision Infrared Carbon Dioxide CO2 Concentration Detection Module
$27.95 Save $15.00 RRP: $42.95
Freon Leak Detector Halogen Leak Detector R22 R410A R134A R1234YF Refrigerant Gas HVAC Air Conditioner Tester
$48.95 Save $25.05 RRP: $74.00
US PLUG,Portable Ozone Detector(0-20 PPM&0.01 PPM High Resolution), Ozone Meter with Alarm,Temp & Humidity Tester
$209.00 Save $100.00 RRP: $309.00
Combustible Gas Detection Unit -5 Gas Detection Unit Integrated STM32 Controller STM32G030 Communica
$21.95 Save $7.00 RRP: $28.95
Digital Gas Leak Detector PPM Range Audible/Visual Alarm Semiconductor Sensor Propane Natural Gas Co
$104.00 Save $45.00 RRP: $149.00