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Shop the best prices on 8,056 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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2,433 - 2,464 of 3,200
Detector O3 Gas/Temperature/Humidity
$39.95 Save $7.00 RRP: $46.95
Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Gas Leak Detector
$149.00 Save $40.00 RRP: $189.00
4 In 1 Gas Detector O2 H2s Co Combustible Carbon Monoxide Oxygen Flammable Gas Analyzer Toxic Gas Harmful Gas Leak Detector
$419.00
12v Gas Detector Sensor Alarm Propane Butane Lpg Natural Motorhome Camper
$79.00 Save $90.00 RRP: $169.00
Mq138 Formaldehyde Sensor Module Gas Detection Sensor Module -138 Aldehydes And Ketones Alcohols Ga
$79.00 Save $20.00 RRP: $99.00
Smart Sensor Gas Detector Oxygen O2 Hydrogen Sulfide H2S Carbon Monoxide CO Combustible Gas LEL Gas Meter
$104.00 Save $65.00 RRP: $169.00
O2 Gas Detector Oxygen Detector Intelligent SENSOR AR8100 Oxygen Detector Rechargeable LCD O2 Gas Meter Oxygen Monitor
$169.00 Save $90.00 RRP: $259.00
Auspicious-wi-fi Water Leak Detector30db Smart Flood Detector, Water Detector Wireless Water Alar
$59.00 Save $80.00 RRP: $139.00
Gas Leak Detector with High-Precise Sensor, Flexible Probe, Visual/Audible Alarm, Portable for Home/Industrial Use
$48.95 Save $30.05 RRP: $79.00
Air Conditioner Fluorine Leak Detector Refrigerant Halogen Leak Detector Freon Refrigerant Leak Detector HD02
$54.00 Save $35.00 RRP: $89.00
NH3 Gas Detection Sensor Module for Household Appliances Accessories
$34.95 Save $39.05 RRP: $74.00
Halogen Gas CFC HFC Refrigerant Leak Detector R134a R410a R22a HVAC Checke
$37.95 Save $21.05 RRP: $59.00
Carbon Dioxide Sensor Infrared CO2 Concentration Detection 5000ppm Gas HAVC RV Smart Home Air Quality Monitor
$27.95 Save $15.00 RRP: $42.95
Refrigerant Leak Detector Tester with High Accuracy Quick Response Heated Diode Sensor Universal
$289.00 Save $160.00 RRP: $449.00
NDIR Carbon Dioxide CO2 Sensor Module MH-Z14A Serial Port PWM Analog Output 0-5000ppm
$54.00 Save $30.00 RRP: $84.00
Nitrogen Dioxide Detector NO2 Gas Meter 050ppm 3.5in TFT Color Screen Handheld Portable Equipment
$949.00 Save $600.00 RRP: $1,549.00
BSIDE G1 Combustible Gas Detector Ambient Temperature Natural Gas Methane Propane Gasoline Leak Tester
$29.95 Save $18.00 RRP: $47.95
Combustible Gas Detector 5050000PPM LCD Display Screen Portable Gas Leak Tester for Pipeline
$74.00 Save $45.00 RRP: $119.00
SMART SENSOR Handheld Combustible Gases Leak Detector Natural Gases Leakage Tester Portable Combustible Gases Concentration Analyzer Meter with Temper
$69.00 Save $20.00 RRP: $89.00
CO2 Air Detector Carbon Dioxide Detector Agricultural Production Greenhouse CO2 Monitor White
$32.95 Save $10.00 RRP: $42.95
Portable Propane Methane and Natural Gas Leak Detector Combustible Gas Tester Meter Sniffer with Sound Light Alarm Sensitive Adjustable
$51.95 Save $17.05 RRP: $69.00
Mh Z19 Infrared CO2 Sensor For Carbon Dioxide Indoor Air Quality Monitor
$59.00 Save $30.00 RRP: $89.00
WJL-6000 Freon Leak Detector Halogen Leak Detector R22 R410A R134A R1234YF Refrigerant Gas HVAC Air Conditioner Tester Tool
$69.00 Save $15.00 RRP: $84.00
Electrochemical CH2O Formaldehyde Sensor Gas HCHO Sensor Module Smart Home Devices
$16.95 Save $5.00 RRP: $21.95
Automatic Alarm Gas Leak Detector Methane Gas Natural Gas Liquefied Petroleum Gas Combustible Gas Ga
$74.00 Save $20.00 RRP: $94.00
Handheld O2 Detector with Time and Date Display High Accuracy Digital O2 Temperature Humidity Tester 0‑30%Vol Range
$179.00 Save $20.00 RRP: $199.00
4 Gas Monitor,4 Gas Detector for H2S,CO,LEL and O2,Adopt High-Precision ADC Acquisition Chip and 32-
$189.00 Save $60.00 RRP: $249.00
Gas Leak Detector 803 Oxygen Gas Detector Oxygen Gas Detector 803 Blue Digital Display Oxygen Gas Le
$109.00 Save $30.00 RRP: $139.00
Radon Detector Monitor the Average Value of Air Radon Concentration Gas Detector Analyzing Tool Rado
$169.00 Save $50.00 RRP: $219.00
CO Concentration Detection Carbon Monoxide Sensor with Alarm Portable Temp Humidity Meter for Home
$49.95 Save $9.05 RRP: $59.00
MQ131 Concentration Ozone Gas Sensor Module 101000PPM Dual Output for Industrial Monitoring
$41.95 Save $22.05 RRP: $64.00
Oxygen Sensor AO-02 Gas Detector Compatible with AO2 AA428-210 AO2PTB-18.10
$33.95 Save $3.00 RRP: $36.95