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Shop the best prices on 7,535 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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65 - 96 of 7,535
Air Quality Monitor Digital Formaldehyde Detector Portable PM2.5 PM10 TVOC Sensor Indoor Air Quality Tester
$129.00 Save $70.00 RRP: $199.00
Air Quality Meters Handheld Portable Gas Leak Detector Mini PPM Meter 1000PPM Flammable Natural Gas Analyzer Pen Type
$79.00 Save $40.00 RRP: $119.00
Formaldehyde Detector, Handheld Air Quality Monitor, TVOC Tester for Home, School, Office, Black, Portable, Accurate Measurements
$69.00 Save $35.00 RRP: $104.00
HG 4-in-1 Multi Gas Detector,O2, H2S, CO, LEL - Oxygen, Hydrogen Sulfide, Carbon Monoxide & Combustible Gas
$189.00
1000v 20a Universal Digital Multimeter Probe Test Leads Pin Needle Tip Multi Tester Lead Probe
$20.95
SCD40 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity 2 in 1 Sensor
$40.95 Save $28.05 RRP: $69.00
Gas Leak Detector Propane Natural Gas Alarm with LCD Screen High Decibel Battery Powered Mini Portable Combustible Gas
$32.95 Save $21.05 RRP: $54.00
14 in 1 Air Quality Monitor Tuya WIFI CO/CO2 Detector Real Time Monitoring BIG Display Home Air Tes
$54.00 Save $45.00 RRP: $99.00
2 in 1 PH TDS Meter Tester Water Quality Monitor Online Acidity Monitor Analyzers Tester for Aquari
$54.00 Save $10.00 RRP: $64.00
Portable Ozone O3 Detector, Gas Detector, Analyzer, Handheld Tester
$199.00 Save $90.00 RRP: $289.00
Household indoor air quality monitor formaldehyde detector tester
$54.00 Save $35.00 RRP: $89.00
Household indoor air quality monitor formaldehyde detector tester
$54.00 Save $35.00 RRP: $89.00
SCD40 Gas Sensor Module Detects CO2 Carbon Dioxide 2 in 1 Sensor
$24.95 Save $10.00 RRP: $34.95
PM2.5 Detector Air Quality Monitor Gas Analyzer Dust Sampling Meter HT9600
$239.00 Save $50.00 RRP: $289.00
Detector Portable O3 /Temperature/Humidity Tester Air Quality Household O3 Monitor USB Charging Bl
$54.00 Save $10.00 RRP: $64.00
Professional Portable O2 Concentration Content Tester Meter Gas Analyzer Monintor Meter
$189.00 Save $280.00 RRP: $469.00
Air Quality Monitor, Ammonia Test Meter 3.5 Inch LCD NH3 Concentration Tester Ammonia Detector Ammonia Alarm Device
$289.00 Save $150.00 RRP: $439.00
CO Gas Sensor Carbon Monoxide Sensor UART Digital Output SC16B-CO
$27.95
-SGP30 ECO2 Air Quality Gas Sensor Module TVOC Detection Chip
$12.95 Save $2.00 RRP: $14.95
Ht601a Digital Gas Leak Detector 9999 Ppm Meter Fuel Monitor Bargraph Display Sound Light Alarm
$74.00 Save $35.00 RRP: $109.00
5 in 1 Air Quality Detector TVOC HCHO CO2 Carbon Dioxide Testing A
$38.95 Save $8.00 RRP: $46.95
Mini CO2 Detector,Air Quality Monitor, Infrared CO2 Monitor for Travel Home Indoor,You Can Use Anyw
$59.00 Save $20.00 RRP: $79.00
Portable 4 Gas Detector Rechargeable Multi Gas Monitor Air Quality Tester Analyzer High Precision E
$119.00 Save $30.00 RRP: $149.00
MG811 CO2 Sensor Sensor Module
$32.95 Save $7.00 RRP: $39.95
-6000 Freon Leak Detector Halogen Leak Detector Refrigerant Gas HVAC R22 R410A R134A R1234YF CFCs H
$30.95 Save $5.00 RRP: $35.95
Multifunctional Air Detectors, Pollen/CO/CO2/TVOC/PM2.5/PM1.0/Humidity/Temperature Carbon Monoxide
$199.00 Save $30.00 RRP: $229.00
Hay Moisture Tester, with Probe & Backlight LCD Display for Hay, Forage Grass, Alfalfa and Other Ha
$74.00 Save $10.00 RRP: $84.00
Oxygen Sensor AO-02 Gas Detector Compatible with AO2 AA428-210 AO2PTB-18.10 2pcs
$64.00 Save $15.00 RRP: $79.00
Convenient Air Quality Detector Gas Formaldehyde Tvoc Household Environmental Tester Led Display Intelligent Alarm Detector Oem
$59.00
Tuya Wifi 4.0inch Tft Full Color Carbon Dioxide Detector Co2 Rechargeable Air Quality Meter Support Generate&export Pdf File
$239.00
New Generation Ht66 Handheld Gas Leak Detector Analyzer 50-1000ppm Household Combustible Flammable Natural Gas Tester Ppm Meter
$79.00
As8800a Digital Display Combustible Gas Detector Natural Gas Gas Liquefied Biogas Detection Alarm
$239.00