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Shop the best prices on 4,193 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, Generic1, GreenZech and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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1,473 - 1,504 of 3,200
3X SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity in One Sensor I2C Communication B
From $99.00
2X SCD40 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity in One Sensor I2C Communication B
From $54.00
OCS-3F2.1 Ultrasonic Oxygen Sensor Oxygen Concentrator for Arduino Detects Purity and Flow 21-95.6% 0-20L, 0-2.5V Analog
From $28.95
LCD LPG LNG Coal Natural Gas Leak Security Alarm Sensor Warning Detector
From $27.95
Alcohol Tester Portable High Accuracy Breathalyzer Breath Alcohol Detector with 5 Mouthpieces Support Alarm Function
From $29.95
MG811 Carbon Dioxide Module: CO2 Gas Concentration Detection Module,Voltage Type,0-2V Voltage Output,MG811 Sensor Module
From $41.95
5V Air Quality Detector Full Color Large Screen Indoor Pollution Tester for CO CO2 HCHO TVOC Gas Detector NO.7451
From $59.00
Multifunctional Carbon Dioxide Detector Analyzer Alarm High Sensitivity Monitor NO.0853
From $239.00
MG811 Carbon Dioxide Module: CO2 Gas Concentration Detection Module,Voltage Type,0-2V Voltage Output,MG811 Sensor Module
From $36.95
CO2 Air Detector 3-In-1 Indoor CO2 Detector Air Quality Monitor Detects CO2 Home Office Light-And-S
From $89.00
CO Gas Sensor Carbon Monoxide Sensor UART Digital Output SC16B-CO (0-1000PPM)
From $18.95
3X MH-Z19 MH-Z19C IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR Accessories
From $39.95
2X MH-Z19 MH-Z19E IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR for CO2 Monitor 400-5000Ppm UART PWM(A)
From $44.95
HT-1890 Gas Pressure Gauge Manometer Digital Manometer Data Hold Dual Port Air Pressure Gauge HVAC G
From $54.00
MICS-6814 Gas Sensor Carbon Monoxide CO NO2 NH3 Nitrogen Oxygen Air Quality Detection Numerical Sensor Module-JXLGV
From $84.00
Tuya CO2 Dioxide Detector WIFI CO2 Monitor Meter Co2 Sensor Indoor Agricultural Greenhouse Air Humiture Sensor Monitor
From $129.00
Tuya Wifi 4.0inch Tft Full Color Carbon Dioxide Detector Co2 Rechargeable Air Quality Meter Support Generate&export Pdf File
From $239.00
St-8308 Indoor Formaldehyde Dust Pollution Pm2.5 Toxic Gas Detector With Alarm Charging
From $549.00
4 Gas Detector with LCD Display, Rechargeable Multi Gas Monitor for Confined Space Safety (Orange)
From $269.00
Dtecteur de gaz naturel (propane. butane. GPL) pour camping-car. bateau. 12 V
From $69.00
HVAC & Auto Refrigerant Leak Detector with Flexible Gooseneck Probe and MultiMode Alarm
From $79.00
Combustion Analyzer 3.5in TFT Screen EX O2 CO H2S Detector Combustible Gas Tester for Home Safety
From $1,749.00
Alcohol Gas Concentration Sensor High Sensitivity Breathalyzer Module Smart Vehicle Detection DIY Projects
From $79.00
High Accuracy And Instant Halogen Gas Leakage Tester,with Indicator Light
From $32.95
Oxygen Gas Detector with Triple Alarm and RealTime Monitoring, Electrochemical Sensor Model 803
From $129.00
Combustible Gas Detector 0100% LEL Precision Industrial Fixed Gas Leak Monitor with RS485 Output and IP66 Housing
From $899.00
1 Set Carbon Dioxide Meter Backlight Design Rechargeable Monitor Carbon Dioxide CO2 Detector with Te
From $199.00
Aqara Smart Natural Gas Detector Zigbee Gas Leak Alarm Intelligent Linkage Smart Home Security
From $139.00
MH-Z14B NDIR Infrared CO2 Sensor Module Gas Sensor for CO2 Monitor 0-5000ppm MH Z14 Serial UART PWM Output
From $54.00
ZE08-CH2O compatible withmaldehyde Sensor with Serial Port Output compatible with Accurate Concentration Measurement
From $35.95
3 in 1 Carbon Dioxide Detector Air Quality Monitor Temperature Humidity Air Analyzer 2pcs for CO2 Di
From $59.00
Tuya WiFi Smart Air Quality Monitor 6-in-1 PM2.5 / Formaldehyde / TVOC / CO2 / Temperature / Humidit
From $69.00