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Shop the best prices on 7,780 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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2,529 - 2,560 of 7,780
Air Conditioning Refrigerant Leak Tester Halogen Leak Detector for R-134a R410a R407a R22 RLD-382P US Plug
$189.00 Save $80.00 RRP: $269.00
Formaldehyde Detector Household Decoration Occupancy Gas Detection Indoor Harmful Odor Test TVOC unbrand
$24.95
ZE25-O3 Ozone Sensor Module for Ozone Monitoring, 0-10ppm Range with Multiple Output Options
$69.00 Save $30.00 RRP: $99.00
Oxygen Analyzer Professional Portable O2 Oxygen Concentration Meter Detector Flow Pressure Detection Meter Gas Detector unbrand
$179.00
Gas Leak Detector Combustible Propane Methane Leak Warning EU Plug Combustible Gas Alarm Sensor for Home Security unbrand
$12.95
Heated Diode Refrigerant Leak Detector Car Air Conditioning Refrigeration System Gas Detector Handheld Infrared Leak Tester UNKU56854
$319.00 Save $60.00 RRP: $379.00
Wifi Natural Gas Sensor Tuya Smart Alarm Gas Leakage Detector
$19.95
SNDWAY SW-723 Gas Detector Carbon Dioxide CO2 Monitor Alarm 9999 PPM Sensor Professional Carbon Dioxide Tester Device COO Meter
$199.00
Combustible Gas Detector, Combustible Gas Alarm, Temperature and Humidity Detector, Household Air Qu
$38.95 Save $50.05 RRP: $89.00
CO2 Infrared NDIR Sensor Air Quality Detector Carbon Dioxide Temperature Humidity Monitor Digital Ga
$38.95 Save $50.05 RRP: $89.00
Aquarium Drip Glass Co2 Checker Co2 Drop Checker For Planted Aquariums With Co2 Solution
$20.95 Save $10.00 RRP: $30.95
Gas Leak Detector Ozone Analyzer Portable Air Quality Monitor O3 Sensor Intelligent Sensor Ozone Meter
$259.00 Save $120.00 RRP: $379.00
Digital Carbon Dioxide Controller CO2 Monitor NDIR Sensing Probe 0-5000ppm Concentration Tester for Greenhouse Plant Factory
$129.00 Save $20.00 RRP: $149.00
Uni-T UT336A Refrigerant Leak Detector,Refrigerant Type Refrigeration Industry Negative Corona Electronic Leak Detector
$139.00 Save $80.00 RRP: $219.00
Natural Leak Detector for Home & Industrial, Rechargeable Combustible Detector 0-100% LEL Monitor,with Sound US Plug
$219.00 Save $130.00 RRP: $349.00
SMART SENSOR 4-in-1 Gas Detector, Toxic and Harmful Flammable Oxygen, Carbon Monoxide, Hydrogen Sulfide, Ammonia Alarm
$129.00 Save $70.00 RRP: $199.00
Digital Gas Leak Detector PPM Range Audible/Visual Alarm Semiconductor Sensor Propane Natural Gas Combustible
$109.00 Save $70.00 RRP: $179.00
Ozone Gas Detection Module Portable O3 Low Concentration Gas Sensor Module Tester
$38.95 Save $25.05 RRP: $64.00
SGP41 VOC Sensor Module Dual Gas Environment Detection Industrial Wide Temperature Range STEMMA QT/Qwiic Interface
$18.95 Save $10.00 RRP: $28.95
Combustible Gas Leak Detector - Handheld
$119.00
Digital Hydrogen Tester, High-Precision Hydrogen Pen for Accurate Measurements, Reliable and Durable Solution
$44.95 Save $39.05 RRP: $84.00
Gas Leak Detector Portable Natural Gas Detector Alarm Sound Methane Hexane with LCD Screen 2 AAA Ba
$25.95 Save $11.00 RRP: $36.95
5 In 1 Tuya Air Quality Monitor Photoelectric Carbon Dioxide Detector Fire Alarm Co2 Temperature Hu
$139.00 Save $140.00 RRP: $279.00
Carbon Dioxide Detector, CO2 Alarm, Temperature and Humidity Detector, Household Air Quality Monito
$54.00
Tuya Wifi Air Box CO2 Meter Voc Gas Detector Intelligent Air Quality Monitor Automation
$79.00 Save $50.00 RRP: $129.00
Precision Instrumentwintact WT8822 Hydrogen Sulfide Detector LCD Display H2s Gas Tester Hydrogen Sul
$449.00 Save $250.00 RRP: $699.00
Mini CO2 Detector,Air Quality Monitor, Infrared CO2 Monitor for Travel Home Indoor,You Can Use Anyw
$74.00
110b Vehicle Detector Ac220v Single Channel Inductive Vehicle Loop Detector For Car Parking Lot Acc
$34.95 Save $19.05 RRP: $54.00
Upgraded Auto Air Conditioner Leak Detector Uv-flashlight Refrigerant Leak Test
$25.95 Save $7.00 RRP: $32.95
Formaldehyde Detector Quality Monitor Pm 2.5 Portable Display Pollution Meter Mini Dust Tester Car
$129.00 Save $30.00 RRP: $159.00
Air Quality Monitor Tester, Portable CO2 Detector CO2, TVOC, HCHO, Humidity& Temperature Particle Counter for Home Car
$54.00 Save $15.00 RRP: $69.00
Refrigeration gas leak detector freon tester portable halogen leakage checker with high sensitivity
$89.00 Save $20.00 RRP: $109.00