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Shop the best prices on 7,541 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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97 - 128 of 7,541
Smart CO2 Detector Carbon Dioxide Controller 2 Channel CO2 Monitor with Relay Power Socket for Tuya
$429.00 Save $145.00 RRP: $574.00
WT8820 Portable Combustible Flammable Gas Detector Natural Gas Methane Leakage Alarm
$44.95 Save $14.05 RRP: $59.00
Multifunctional Air Quality Detector Formaldehyde Tester Indoor Air Monitor AC100‑240V
$199.00 Save $60.00 RRP: $259.00
Combustible Gas Detector Sound Light Vibration Alarm Oxygen Hydrogen Sulfide Carbon Monoxide Tester
$359.00 Save $110.00 RRP: $469.00
CO2 Detector Portable Battery Operated Carbon Dioxide HCHO TVOC Temp Humi 5 in 1 Meter Air Quality M
$28.95 Save $9.00 RRP: $37.95
VOC Gas Sensor Module AGS01DB Air Quality Sensor Module for HVAC Refrigeration
$16.95 Save $5.00 RRP: $21.95
WT8821 Oxygen Monitor O2 Detector Gas Concentration Analyzer Alarm Meter Oxygen Sensor
$149.00 Save $40.00 RRP: $189.00
Multifunctional Air Detectors, Pollen/CO/CO2/TVOC/PM2.5/PM1.0/Humidity/Temperature Carbon Monoxide
$209.00 Save $70.00 RRP: $279.00
Combustible Gas Detector, Combustible Gas Alarm, Temperature and Humidity Detector, Household Air Q
$33.95 Save $40.05 RRP: $74.00
AS8800L Gas Detector Protable Mini Combustible Gas Leakage Location Determine Tester with Sound an
$31.95 Save $37.05 RRP: $69.00
Wireless Air Quality Detector 5 in 1 TVOC CO HCHO Temperature Humidity Detector Home Desk Air Quali
$39.95 Save $39.05 RRP: $79.00
Handheld Combustible Gases Leak Detector Natural Gases Leakage Concentration Analyzer Meter Sound L
$35.95 Save $48.05 RRP: $84.00
New Models 3 in 1 CO2 Meter Air Quality Monitor Handheld 5000Ppm CO2 Measurement Carbon Dioxide Detector for Various Brands in Black and Red
$69.00
High Accuracy Carbon Dioxide Sensor CO2 Transmitter 400-5000PPm for Agricultural Greenhouse120-4~20mA Current Output
$129.00 Save $40.00 RRP: $169.00
High Sensitivity Natural Gas Leak Detector, Domestic Gas Alarm for Home and Kitchen Monitoring
$84.00
Lcd Carbon Monoxide Co Detector Poisoning Gas Sensor Monitor Warning Alarm Set
$20.95 Save $16.00 RRP: $36.95
WIFI Infrared CO2 Monitor Carbon Dioxide Monitor NDIR Sensor Air Quality Monitor Carbon Dioxide Det
$79.00 Save $20.00 RRP: $99.00
Co2 Detector, 400 To 5000 Ppm Home Co2 Sensor, 3 In 1 Co2 Detector Meter, Air Quality Monitor With Self-calibration Function For
$149.00 Save $220.00 RRP: $369.00
Air Monitor Co2 Carbon Dioxide Detector Air Quality Temperature Humidity Monitor Fast Measurement M
$30.95 Save $10.00 RRP: $40.95
Gas Detector, Smart Sensor Handheld Leak Detector for Combustible Gases, Natural Gas Leak Tester, Portable Gas 01
$94.00 Save $45.00 RRP: $139.00
K5C Mini Carbon Dioxide Detector CO Tester LED Screen USB Typc-C B
$54.00 Save $5.00 RRP: $59.00
CO2 Sensor 400-10000 ppm Carbon Dioxide Air Quality Detection
$22.95 Save $2.00 RRP: $24.95
Lcd Carbon Monoxide Co Detector Poisoning Gas Sensor Monitor Warning Alarm Set
$21.95 Save $21.00 RRP: $42.95
Air Monitor Co2 Carbon Dioxide Detector Air Quality Temperature Humidity Monitor Quick Measuring Me
$28.95 Save $9.00 RRP: $37.95
Natural Gas Detector Natural Gas Detector With Digital Display Eu Plug
$42.95 Save $16.05 RRP: $59.00
Lcd Carbon Monoxide Co Detector Poisoning Gas Sensor Monitor Warning Alarm Set Shytmv
$38.95 Save $15.05 RRP: $54.00
T300 OBD2 Scanner Superior Diagnostic Tool Check Engine Code Reader with Reset Mode 6 Mode 8 Readin
$49.95 Save $9.05 RRP: $59.00
-6000-L Freon Leak Detector Halogen Leak Detector Refrigerant Gas HVAC R22 R410A R1234YF Detector wi
$31.95 Save $9.00 RRP: $40.95
Catalytic Combustion Sensor NAP-55S N55S Inflammable Gas Sensor Alarm Detector
$14.95 Save $13.00 RRP: $27.95
9 In1 Air Quality Monitor Meter Carbon Dioxide Detector TVOC HCHO PM2.5 PM1.0 PM10 Temperature Humid
$45.95 Save $13.05 RRP: $59.00
Handheld Carbon Monoxide Meter, 80Db Light CO Leak Detector, Portable Handheld CO Detector, CO Gas A
$42.95 Save $16.05 RRP: $59.00
MQ137 Ammonia Gas Detection Sensor Module NH3 Gas Sensor Module Household Appliance Accessories Ana
$20.95 Save $5.00 RRP: $25.95