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Shop the best prices on 5,148 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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2,209 - 2,240 of 3,200
Alcohol Gas Concentration Sensor High Sensitivity Breathalyzer Module Smart Vehicle Detection DIY Projects
From $74.00
NAP-100AD Industrial High-Temperature Combustible Gas Sensor Catalytic Combustion Type Sensor Replacement Sensor
From $94.00
TPM-200A Carbon Monoxide Sensor Module Interference-Resistant High-Precision CO Air Quality Detection Sensor Module
From $14.95
1PCS Formaldehyde Sensor Module MQ138 MQ-138 Sensor Module
From $23.95
12 in 1 Air Quality Monitor CO2 Monitor with Time/ Date Display WIFI PM2.5 PM10 CO CO2 TVOC HCHO Te
From $48.95
Semiconductor Gas Sensor Combustible Gas Unit MQ I2C Interface Air Quality Detection Module for DIY Development Kit
From $23.95
MH-Z19 MH-Z19C IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR Accessories
From $17.95
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature B
From $33.95
CCS811 Gas Sensors Carbon Dioxide Detection Sensors Module CO2 ECO2 TVOC Air Quality Detecting Output CJMCU-811
From $22.95
12 in 1 Air Quality Monitor CO2 Monitor with Time/ Date Display WIFI PM2.5 PM10 CO CO2 TVOC HCHO AQI Tester,Black
From $38.95
MH Z19B Infrared CO2 Sensor for CO2 Monitor MH Z19B 5000PPM MH-Z19B NDIR Gas Sensor CO2 Gas Sensor MH Z19
From $41.95
MQ138 Formaldehyde Gas Detection Sensor Formaldehyde Sensor Module Gas Sensor High Sensitivity 4.5-5.5V 10A TTL
From $23.95
MICS-6814 Gas Sensor Carbon Monoxide CO NO2 NH3 Nitrogen Oxygen Quality Detection Numerical Sensor
From $35.95
SCD40 Gas Sensor Module 2.4-5.5V Detects CO2 Carbon Dioxide Temperature and Humidity Sensor I2C Communication
From $42.95
MQ137 Ammonia Gas Detection Sensor Module NH3 Gas Sensor Module Household Appliance Accessories Ana
From $28.95
CO2 Sensor 400-10000 Ppm Carbon Dioxide Air Quality Detection Infrared Gas Sensor Module MH-Z19E Low Power Consumption
From $22.95
TPM-200A Carbon Monoxide Sensor Module Interference-Resistant High-Precision CO Air Quality Detection Sensor Module
From $10.95
2Pcs - SGP40 SGP40 TVOC eCO2 CO2 Carbon Dioxide Sensor
From $24.95
89465-BZ070 Oxygen Sensor O2 Sensor for
From $23.95
2Pcs SCD30 Air Quality Sensors Module for CO2 and RH/T Measurements I2C Modbus PWM
From $39.95
MQ137 Ammonia Gas Detection Sensor Module NH3 Gas Sensor Module
From $17.95
CCS811 Gas Sensors Carbon Dioxide Detection Sensors Module CO2 ECO2 TVOC Air Quality Detecting Output CJMCU-811
From $19.95
SCD41 Gas Sensor Module COO Sensor Module 2-in-1 Temperature and Humidity Sensor 2.4-5.5V with I2C Communication
From $31.95
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature C
From $38.95
CY-12C Portable Oxygen Analyzer Oxygen Concentration Tester Handheld Oxygen Tester Analysis Instruments
From $129.00
C8D Dual-Channel (0-5000 Ppm) CO2 Sensor High-Precision Infrared Carbon Dioxide CO2 Concentration Detection Module
From $25.95
ZE25-O3 Ozone Sensor Module for Ozone Monitoring, 0-10ppm Range with Multiple Output Options
From $69.00
For SenseAir S8 004-0-0053 S8-0053 Infrared CO2 Carbon Oioxide Sensor S8 0053
From $43.95
SCD30 Module Air Quality Gas Sensor for CO2 and RH/T Measurement of Carbon Dioxide Gas Sensors
From $27.95
Semiconductor CO2 Gas Sensor Carbon Dioxide Gas Sensor Air Quality Sensor Module UART Output JW01-CO2
From $14.95
MH-Z19 MH-Z19C IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR Accessories
From $23.95
SGP41 VOC Sensor Module Dual Gas Environment Detection Industrial Wide Temperature Range STEMMA QT/Qwiic Interface
From $15.95