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Shop the best prices on 7,436 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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673 - 704 of 7,436
MT03 Air Quality Monitor with Stand CO2 Temperature Humidity Tester CO2 Detector Carbon Dioxide Det
$22.95 Save $3.00 RRP: $25.95
RF Detector Module Discharge Board Envelope Demodulation AM 0.1-3200MHz High Sensitivity
$13.95 Save $5.00 RRP: $18.95
CO2 Detector Carbon Dioxide Monitor Infrared Air Quality Monitor Sensor Detector with Temperature Humidity Detection Black
$69.00 Save $20.00 RRP: $89.00
Car OBD2 Scanner User Friendly GUI Multilanguage OTC GTS VIM Diagnostic Scan Tool
$69.00 Save $15.00 RRP: $84.00
Portable Air Quality Detector Highly Accurate Home Portable HCHO Detector Handheld Air Quality Detector Black
$59.00 Save $15.00 RRP: $74.00
Mg811 Co2 Sensor Sensor Module
$34.95 Save $24.05 RRP: $59.00
12v Gas Detector Sensor Alarm Propane Butane Lpg Natural Motor Home Camper
$31.95 Save $27.05 RRP: $59.00
Portable Air Quality Detector Multifunctional Digital Carbon Dioxide Monitor for Home Bedroom Office
$25.95 Save $16.00 RRP: $41.95
CO2 Detector, CO2 Air Detector, Carbon Dioxide Detector, Agricultural Production, Greenhouse CO2 Monitor, Black
$31.95 Save $87.05 RRP: $119.00
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature D
$35.95 Save $11.00 RRP: $46.95
Handheld Carbon Monoxide Meter, 80Db Light CO Leak Detector, Portable Handheld CO Detector, CO Gas A
$40.95 Save $23.05 RRP: $64.00
Air Quality Monitor Indoor, Air Quality Detector, CO2 Monitor Black
$44.95 Save $19.05 RRP: $64.00
MH-Z14B NDIR Infrared CO2 Sensor Module Gas Sensor
$43.95 Save $20.05 RRP: $64.00
Tuya WIFI Air Quality Monitor 5 in 1 Formaldehyde VOC CO2 Temperature Humidity Detector Sensor Suppo
$25.95 Save $23.00 RRP: $48.95
NDIR CO2 Sensor Infrared Carbon Dioxide Sensor Module with Serial Port PWM Analog Output CO2 Gas Det
$42.95 Save $41.05 RRP: $84.00
Halogen Leak Detector Air Conditioning Refrigerant Leak Detector HVAC R22 R410A R134A CFCs HCFC Freo
$40.95 Save $38.05 RRP: $79.00
CO2 Meter Digital Tester Carbon Dioxide Detector Air Quality Monitor CO2 Tester
$79.00 Save $60.00 RRP: $139.00
Formaldehyde Detectors 6-in-1 Ppm 2.5 Carbon Dioxide Detectors
$35.95 Save $11.00 RRP: $46.95
Air Conditioning Refrigerant Leak Detector Halogen Gas Leak Detector
$74.00 Save $30.00 RRP: $104.00
MQ138 Formaldehyde Gas Detection Sensor Formaldehyde Sensor Module Gas Sensor High Sensitivity 4.5-
$28.95 Save $9.00 RRP: $37.95
Indoor Air Quality Monitor Portable Air Detector with Clear Display
$45.95 Save $23.05 RRP: $69.00
Air Quality Monitor Air Detector Tester, Precise Safety Measurement Device for Carbon Dioxide Monitoring in Grow Tents and Bedrooms Ref: 8733
$54.00 Save $30.00 RRP: $84.00
AR8100 Handheld O2 Meter Rechargeable Oxygen Detector for Outdoor Industry 100240V
$179.00 Save $60.00 RRP: $239.00
Air Conditioner Leak Detector Complete Set Refrigerant Leak Detector Flashlight Practical Tool with UV Lamp for Vehicles and Cooling Equipment
$41.95 Save $22.05 RRP: $64.00
Portable Design Digital Illuminance Meter, Range 1-400,000 Lux, Photometers Tester, Plant Growth Li
$74.00 Save $10.00 RRP: $84.00
BSIDE G1 Combustible Gas Detector Ambient Temperature Natural Gas Methane Propane Gasoline Leak Tester
$36.95 Save $10.00 RRP: $46.95
SPD202/EX Digital Combustible Gas Detector Natural LPG Coal Alarm Tester Meter Tool
$239.00 Save $110.00 RRP: $349.00
Digital Compoud Gas Monitor LCD Display Rechargeable Combustible O2 H2S CO Gas Leak Sensor Sound-Li
$149.00 Save $20.00 RRP: $169.00
Tuya 300m ME204R RF433 Gas Detector LED Display Portable Smart Home Device Gas Tank Meter LGP Tank
$339.00 Save $50.00 RRP: $389.00
Tuya 300m ME204R RF433 Gas Detector LED Display Portable Smart Home Device Gas Tank Meter LGP Tank
$339.00 Save $50.00 RRP: $389.00
Gas Monitor 4 in 1 CO H2S O2 LEL Accurate Measurement Sound Light Vibration Alarm Backlit Display Gas Detector
$139.00 Save $40.00 RRP: $179.00
Multifunctional Electric Magnetic Field Radiation Detector A
$54.00 Save $40.00 RRP: $94.00