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Shop the best prices on 5,045 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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33 - 64 of 3,200
SGP40 Air Quality Sensor Module TVOC ECO2 Formaldehyde Carbon Dioxide Gas Detection for Air Quality
From $23.95
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity in One Sensor I2C Communication D
From $36.95
Wifi Infrared Co2 Monitor Carbon Dioxide Monitor Ndir Sensor Air Quality Monitor Carbon Dioxide Det
From $79.00
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity in One Sensor I2C Communication C
From $34.95
6in1 Digital Wifi Water Quality Tester PH/EC/TDS/SALT/G.S/Temp Meter Water Analyzer APP Online Remo
From $109.00
Air Quality Monitor, 3.2-inch Portable Co2 Detector Air Quality Tester Indoor, Monitoring Carbon Di
From $89.00
ZE08-CH2O Formaldehyde Sensor with Serial Port Output for Accurate Concentration Measurement
From $16.95
Alcohol Gas Concentration Sensor High Sensitivity Breathalyzer Module Smart Vehicle Detection DIY Projects
From $84.00
ZG09 CO2 Gas Sensor 485 Signal Output Module CO2 Module S8 0053
From $64.00
Sener CO2 Carbon Dioxide Gas Sensor S88 Can Replace S8 0053 for SenseAir S88 CO2 Gas Sensor
From $59.00
SC03-C2H5OH Alcohol Gas Detection Module High Precision Ethanol Sensor for Breathalyzer Gas Monitoring Equipment
From $32.95
SCD30 Air Quality Sensors Module for CO2 and RH/T Measurements I2C Modbus PWM
From $26.95
TPM-200A Carbon Monoxide Sensor Module Interference-Resistant High-Precision CO Air Quality Detection Sensor Module
From $9.95
GMV-2021B MEMS H2 Sensor Hydrogen Gas Leakage Detection Device Hydrogen Detection
From $26.95
MQ136 Hydrogen Sulfide Gas Sensor Module H2S Gas Detection Sensor Module High Sensitivity Sensor Module
From $20.95
RELIFE RL-086 Mobile Phone Air Tightness Detector for Phone X-14PM Series High Precision to Test Waterproof and Airtightness
From $22.95
SNDWAY SW-723 Gas Detector Carbon Dioxide CO2 Monitor Alarm 9999 PPM Sensor Professional Carbon Dioxide Tester Device COO Meter
From $209.00
Combustible Gas Detection Unit MQ-5 Gas Detection Unit Integrated STM32 Controller STM32G030 I2C Communication Interface
From $19.95
Ozone Detector 3-in-1 Portable O3 /Temperature/Humidity Tester Air Quality Household O3 Monitor USB Charging Black
From $54.00
Tuya Zigbee Smart Air Quality Monitor CO2 Meter Carbon Dioxide Detector Voc Formaldehyde Auto Alarm
From $33.95
Wifi Natural Gas Sensor Combustible Household Smart Gas Alarm Detector Leakage Sensor Wifi Temperat
From $33.95
MICS-6814 Gas Sensor Carbon Monoxide CO NO2 NH3 Nitrogen Oxygen Air Quality Detection Numerical Sensor Module
From $34.95
Tuya WIFI Natural Gas Sensor Combustible Household Smart LPG Gas Alarm Detector Leakage Sensor EU P
From $23.95
Tuya WiFi 15 in 1 Air Quality Detector Household Portable PM0.3 PM1.0 PM2.5 PM10 CO CO2 TVOC HCHO T
From $42.95
-SGP30 ECO2 Air Quality Gas Sensor Module TVOC Detection Chip Compatible for Demo Board
From $14.95
Sener CO2 Carbon Dioxide Gas Sensor S88 Can Replace S8 0053 for SenseAir S88 CO2 Gas Sensor
From $59.00
ASAIR ACD10 Electronic Carbon Dioxide Sensor Module Infrared NDIR High-Precision CO2 Gas Concentration Detection
From $64.00
Formaldehyde Detector Quality Monitor Pm 2.5 Portable Display Pollution Meter Mini Dust Tester Car
From $119.00
Habotest Portable Gas Leak Alarm Combustible Gas With Audible And Visual Alarm All Types Of Flammablegases
From $54.00
Multi Gas Detector Gas Meter O2 H2S CO LEL 4 in 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustibl
From $159.00
Multi Gas Detector Gas Meter O2 H2S CO LEL 4 in 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustibl
From $159.00
Freon Leak Detector Refrigerant Halogen Leak Detector Portable R134a R410a R22a R600a R290 CFCs HCFCs HFCs Tester Tool
From $54.00