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Shop the best prices on 5,754 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, GreenZech, Other and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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1 - 32 of 3,200
SMART SENSOR Ammonia Detector Ammonia Gas Meter Digital Portable Automotive Ammonia Gas Tester Monitor NH3 Detector
From $309.00
WJL-6000 Freon Leak Detector Halogen Leak Detector Refrigerant Gas HVAC R22 R410A R134A R1234YF CFCs HCFC Detector
From $31.95
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature B
From $28.95
2X MH-Z19 MH-Z19C IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR Accessories
From $46.95
Digital RV Propane Gas Detector with 85dB Loud Alarm, DC 12V, for Trailer, Motorhome, Motorcoach Black
From $31.95
Gas Leakage Detector Digital LCD LPG LNG Natural Gas Leak Detector Butane Methane Safe Alarm Sensor
From $48.95
SCD30 Module Air Quality Gas Sensor for CO2 and RH/T Measurement of Carbon Dioxide Gas Sensors
From $27.95
SCD41 Gas Sensor Module Detects CO2,Carbon Dioxide,Temperature and Humidity in One Sensor
From $32.95
MQ136 Hydrogen Sulfide Gas Sensor Module H2S Gas Detection Sensor Module High Sensitivity Sensor Module
From $19.95
OCS-3F2.1 Ultrasonic Oxygen Sensor Oxygen Concentrator for Arduino Detects Purity and Flow 21-95.6% 0-20L, 0-2.5V Analog
From $33.95
Détecteur d'oxygène portable rechargeable AR8100 pour l'industrie extérieure, 100-240 V
From $159.00
PM2.5 Air Quality Module (PMSA003) Ambient Air Quality Testing Module DC5V Power Supply M5Core Pede
From $84.00
Tuya CO2 Dioxide Detector WIFI CO2 Monitor Meter Co2 Sensor Indoor Agricultural Greenhouse Air Humi
From $59.00
MQ138 Formaldehyde Gas Detection Sensor Formaldehyde Sensor Module Gas Sensor High Sensitivity 4.5-
From $26.95
3IN1 ECO2 ECH2O TVOC Gas Sensor Module Air Pollution Odor Sensor Y01
From $8.95
Alcohol Gas Concentration Sensor High Sensitivity Breathalyzer Module Smart Vehicle Detection DIY Projects
From $79.00
CCS811 CO2 Sensor Module with TVOC Detection, Accurate I2C Air Quality Monitor for Indoor Use
From $35.95
SCD40 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity 2 in 1 Sensor
From $27.95
1PCS Formaldehyde Sensor Module MQ138 MQ-138 Sensor Module
From $27.95
For SenseAir S8 004-0-0053 S8-0053 Infrared CO2 Carbon Oioxide Sensor S8 0053
From $40.95
CO2 Sensor 400-10000 Ppm Carbon Dioxide Air Quality Detection Infrared Gas Sensor Module -Z19E Low
From $26.95
ZE25-O3 Ozone Sensor Module for Ozone Monitoring, 0-10ppm Range with Multiple Output Options
From $64.00
Tuya Smart WiFi CO2 Detector Sensor Air Quality Monitor TVOC CO2 Gas CH2O Temperature Humidity Mete
From $54.00
CO2 Air Detector Carbon Dioxide Detector Agricultural Production Greenhouse CO2 Monitor White
From $32.95
SMART SENSOR 4 in 1 Gas Detector HS and CO Monitor Industrial Digital Handheld Toxic Gas Carbon Monoxide Detector Carbonic Oxide Hydrogen Sulfide Gas
From $259.00
SMART SENSOR AP388 Gas Detector Portable Gas Leak Detector LPG Natural Gas Coal Gas Detection Sound & LED Alarm Auto Shut-Down for Home Kitchen
From $33.95
PV1000-DW Smart WIFI Large 4-in-1 Carbon Dioxide Detector, Indoor Air Quality Monitor Portable CO2 Monitor, Tester for Time, Carbon Dioxide, Tempera
From $129.00
5Pcs Air Pollution Sensor JW01C02V2.2 VOC Air Quality Detection Module ZP07 MP503 for C02 Benzene F
From $18.95
NDIR CO2 Carbon Dioxide Air Gas Sensor Module Infrared IR 400-5000ppm for CO2 Monitor Terminal Type
From $18.95
Plug-in Type Carbon Monoxide Alarm CO Detector Monitor with LED Digital Display Voice Alert for Home Kitchen
From $31.95
WIFI Combustible Gas Detector Gas Alarm Digital Combustible Gas Detection Instrument Gas Leak Tester Intelligent Air Quality Detector with Sound Alarm
From $37.95
CCS811 Gas Sensors Carbon Dioxide Detection Sensors Module CO2 ECO2 TVOC Air Quality Detecting Output CJMCU-811
From $17.95