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Shop the best prices on 4,194 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
MQ-131 MQ131 MQ 131 Ozone Sensor Oxygen Gas Sensor Module for Ozone Low/High Concentration Exceeded Alarm
From $35.95
PM2.5 Air Quality Module (PMSA003) Ambient Air Quality Testing Module DC5V Power Supply M5Core Pede
From $84.00
MICS-4514 Gas Sensor Module Co/No2/NH3/T4 Concentration Detection Board
From $42.95
3IN1 ECO2 ECH2O TVOC Gas Sensor Module Air Pollution Odor Sensor Y01
From $8.95
2X SCD41 Gas Sensor Module Detects CO2,Carbon Dioxide,Temperature and Humidity in One Sensor
From $59.00
2X MQ136 Hydrogen Sulfide Gas Sensor Module H2S Gas Detection Sensor Module High Sensitivity Sensor Module
From $36.95
Quality Monitor,upgraded Accurate Sensor Co2 Detector 8 In 1 Quality Detector For Co2 Pm2.5/pm10 Formaldehyde Viewleaf
From $259.00
Handheld Combustible Gas Leak Detector with Alarm, Battery Operated Rechargeable
From $54.00
485 Type Carbon Dioxide Sensor Detector CO2 Concentration Sensor Transmitter NO.3007
From $104.00
CY-12C Oxygen Tester for Medical and Laboratory Applications for Home and Daily Use and Indoor and Outdoor Use and Work and Leisure
From $199.00
Multi Gas Detector compatible with O2 H2S CO LEL - 4-in-1 Combustible Gas Monitor,New 2026
From $269.00
Co2 Air Detector Carbon Dioxide Detector Agricultural Production Greenhouse Co2 Monitor Humidity Gas Detector
From $46.95
Freon Leak Detector, Halogen Leak Detector, Refrigerant Gas Detector, Suitable Gift
From $47.95
Digital Natural Gas Detector, Home Gas Alarm, Gas Leak Detector, High Sensitivity LPG, LNG, Natural Coal Leak Detection, Home/Kitchen Alarm Monitor
From $28.95
Portable Air Quality Detector CO2 Gauge Digital Temperature Measurement Humidity Tester CO2 Detector TVOC Formaldehyde HCHO，bianc
From $32.95
5881 Washable for MERV 8 Dehumidifier Filter for Whole-House Dehumidifiers E080 and E100 or Dehumidifying 8192A
From $54.00
Dtecteur de gaz inflammable portable SMART SENSOR AS8800L, analyseur de fuites de gaz naturel
From $79.00
Air Quality Monitor 6-In-1 Multifunctional Carbon Dioxide Detector PM2.5 PM10 TVOC Temperature Humidity Tester With Large Display Indoor Use White
From $64.00
5801587836 5802392186 Probe Ammonia NH3 Sensor for
From $149.00
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature C
From $43.95
CO2 Sensor 400-10000 ppm Carbon Dioxide Air Quality Detection
From $24.95
Combustible Gas Detection Unit MQ-5 Gas Detection Unit Integrated STM32 Controller STM32G030 I2C Communication Interface
From $26.95
GMV-2021B MEMS H2 Sensor Hydrogen Gas Leakage Detection Device Hydrogen Detection
From $28.95
RELIFE RL-086 Mobile Phone Air Tightness Detector for Phone X-14PM Series High Precision to Test Waterproof and Airtightness
From $22.95
Air Quality Monitor, 3 In 1 Multifunctional Carbon Dioxide Detector,co2 Monitor For Indoor Rv Offic Hy
From $69.00
Natural Gas Leak Detector with Adjustable Alarm, Waterproof Casing, Gooseneck Probe for Home and HVAC
From $179.00
MQ131 Ozone Sensor Module for Accurate Ozone Gas Detection and Monitoring
From $30.95
CCS811 Gas Sensors Carbon Dioxide Detection Sensors Module CO2 ECO2 TVOC Air Quality Detecting Output CJMCU-811
From $14.95
MH-Z19C Infrared CO2 Sensor for CO2 Monitor MH-Z19C NDIR Gas Sensor CO2 Gas Sensor MH Z19 with Terminal
From $47.95
CGM6812-B00 Hydrogen, Methane, Propane Gas Sensor Pre-Calibrated Module for Combustible Gas
From $159.00
MQ131 High Concentration Sensor Gas Sensor Module for High Concentration Analog TTL Level Output 10-
From $20.95
ZE25-O3 Ozone Sensor Module for Ozone Monitoring, 0-10ppm Range with Multiple Output Options
From $64.00