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Shop the best prices on 7,943 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, Other, GreenZech and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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3,169 - 3,200 of 7,943
NDIR CO2 Sensor Infrared Carbon Dioxide Sensor Module with Serial Port PWM Analog Output CO2 Gas Detector Module MH-Z14B
$52.95
Tuya CO2 Dioxide Detector WIFI CO2 Monitor Meter Co2 Sensor Indoor Agricultural Greenhouse Air Humiture Sensor Monitor
$74.00
-6000UV Halogen Leak Detector Freon Leak Detector R22 R410A R134A R1234YF Refrigerant Gas Air Conditioner Tester Tool
$41.95
USB Charging Carbon Dioxide Air Quality Detector Temperature Humidity Environment Monitor CO2 Gas Concentration NDIR
$74.00
Tuya WiFi 15 in 1 Air Quality Detector Household Portable PM0.3 PM1.0 PM2.5 PM10 CO CO2 TVOC HCHO Tester WithMount,B
$59.00
Gas Leak Detector Combustible Propane Methane Leak Warning EU Plug Combustible Gas Alarm Sensor for Home Security
$18.95
Oxygen Sensor AO-02 Gas Detector Compatible with AO2 AA428-210 AO2PTB-18.10
$89.00
Tuya Wifi Gas Leak Detector Combustible Gas Alarm Color Screen Display Temperature for Kitchen Villa
$59.00 Save $10.00 RRP: $69.00
SW-743A Refrigerant Leak Detector High Sensitivity LCD Display DC4.5V Freon Tester for AC Car Fridge
$69.00
TPM-200A Carbon Monoxide Sensor Module Interference- High-Precision CO Air Quality Detection Sensor Module
$11.95
OCS-3F2.1 Ultrasonic Oxygen Sensor Oxygen Concentrator for Detects Purity and Flow 21-95.6% 0-20L, 0-2.5V Analog
$42.95
Indoor Air Quality Detector High-Precision Real-Time Portable 10-in-1 Monitor with Alarm Air Quality Tester Indoor B
$48.95
SCD40 Gas Sensor Module Detector CO2 Carbon Dioxide Temperature and Humidity Sensor I2C Communication Gas Sensor Module
$59.00
12 in 1 Air Quality Monitor CO2 Monitor with Time/ Date Display WIFI PM2.5 PM10 CO CO2 TVOC HCHO Tester,White
$52.95
Semiconductor CO2 Gas Sensor Carbon Dioxide Gas Sensor Air Quality Sensor Module UART Output JW01-CO2
$10.95
3 in 1 CO2 Meter Air Quality Monitor Handheld 5000Ppm CO2 Monitor Measurement Carbon Dioxide / Detector S8601A
$49.95
Combustible Gas Detector with Smart Sensor, Instant Leak Alert and Flexible Probe AS8800L
$59.00 Save $30.00 RRP: $89.00
Ozone Detector Handheld Air Quality Monitor with Adjustable O3 Alarm and USB Fast Charging
$199.00 Save $90.00 RRP: $289.00
MHZ16 NDIR CO2 Sensor Module 010% VOL Carbon Dioxide Detector for Accurate Wide Range Measurement
$109.00 Save $60.00 RRP: $169.00
Gas Detector for CO H2S O2 EX, Portable 4 Gas Monitor with RealTime Detection and Triple Alarms (Orange)
$159.00 Save $70.00 RRP: $229.00
2.4G Wifi Natural Gas Sensor Combustible Smart LPG Gas Alarm Detector Leakage Sensor Wifi Temperatu
$32.95 Save $6.00 RRP: $38.95
Natural Gas Leak Detector with Flexible Gooseneck Probe, Rechargeable Combustible Gas Detector for Home and RV
$129.00 Save $70.00 RRP: $199.00
Gas Leak Detector Sensitivity with Sound Light Alarm for Home and RV AS8800L
$44.95 Save $24.05 RRP: $69.00
Gas Leak Detector with Precision Sensor, Flexible Probe and Triple Alarm for Home or Industrial Use
$59.00 Save $25.00 RRP: $84.00
Gas Leak Detector with LCD Display, Handheld Combustible Gas Sniffer 9999 PPM Flexible Probe Tester
$104.00 Save $55.00 RRP: $159.00
HVAC Leak Detector with Sensitivity Sensor LCD Display for Automotive AC and Multi Refrigerants
$259.00 Save $130.00 RRP: $389.00
Sensitivity HVAC Leak Detector with Sound and Light Alarm for Industrial Refrigeration
$179.00 Save $100.00 RRP: $279.00
Gas Leak Detector with Adjustable Sensitivity and Stainless Steel Probe for Natural or Propane Gas
$69.00 Save $30.00 RRP: $99.00
Leak Detectors Monitors HLD100 Halogen Leak Analyzers For HVAC Refrigerants And Air Conditioners
$79.00 Save $40.00 RRP: $119.00
Hydrogen Sulfide Detector H2S Gas Monitor 0100ppm with Clip Alerts Adjustable Alarm Display
$109.00 Save $50.00 RRP: $159.00
MQ137 Ammonia Gas Sensor Module NH3 Detector 5V Dual Output for Arduino Air Quality Monitoring
$34.95 Save $17.00 RRP: $51.95
Sensitivity Refrigerant Leak Detector for HVAC with Sound and Light Alarm
$149.00 Save $70.00 RRP: $219.00