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Shop the best prices on 8,021 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, GreenZech, Habicare and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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3,105 - 3,136 of 3,200
SMART SENSOR AS8800L Portable Flammable Gas Detector Natural Gas Leak Tester Analyzer
$41.95 Save $27.05 RRP: $69.00
Combustible Gas Detector Light Sound Alarm HD Color Screen Portable Gas Leak Tester with Lighting
$79.00 Save $50.00 RRP: $129.00
Gas Leak Alarm 85Db Wifi Leakage Tester Sniffer for TUYA Smart Life App
$49.95 Save $29.05 RRP: $79.00
Tuya WiFi 16 in 1 Air Quality Monitor Multifunction PM2.5 PM10 HCHO TVOC CO Carbon Dioxide Screen Display Air Detector B
$46.95
Natural gas detector: Plug-in Multi-gas detector for Natural gas and LPG, 85, for Carbon monoxide, Natural gas & LPG, 85 DB (gas sensor)
$34.95 Save $29.05 RRP: $64.00
4-in-1 Carbon Monoxide Detector,portable Carbon Monoxide Carbon Dioxide Monitor Air Quality Monitor
$109.00 Save $160.00 RRP: $269.00
Détecteur de fuite d'oxygène à affichage numérique bleu 803, 10 à +50 °C
$119.00 Save $30.00 RRP: $149.00
Détecteur de dioxyde d'azote, compteur de gaz NO2 0 à 50 ppm, écran couleur TFT 3,5 pouces, équipement portable
$1,199.00 Save $300.00 RRP: $1,499.00
Détecteur de fuite de réfrigérant SMART SENSOR AS5750 Détecteur de fuite halogène rechargeable USB haute sensibilité
$99.00 Save $30.00 RRP: $129.00
Détecteur d'O3 portable coloré, charge USB, moniteur de pollution de l'air sensible pour les tests
$159.00 Save $40.00 RRP: $199.00
Refrigerant Gas HVAC Air Conditioner Tester Tool WJL-6000 Freon Leak Detector Halogen Leak Detector R22 R410A R134A R1234YF
$99.00 Save $20.00 RRP: $119.00
Gas Leak Detector with High-Precise Sensor, Flexible Probe, Visual/Audible Alarm, Portable for Home/Industrial Use
$38.95 Save $20.05 RRP: $59.00
SCD40 Gas Sensor Module Detects CO2 Carbon Dioxide 2 in 1 Sensor
$22.95
Radiation Pollution Detector Multifunctional Geigers Counter Portable Radiation Dosimeter Detectors
$289.00 Save $485.00 RRP: $774.00
Tuya WIFI Combustible Gas Detector Gas Alarm Digital Gas Detection Sensor Sound Alarm Smart Air Quality Detector,B
$32.95
Formaldehyde Sensor ZE08-CH2O Serial Port Output Formaldehyde Concentration Measurement Has Been Calibrated Module
$14.95 Save $31.00 RRP: $45.95
Real-Time EMF Detector with Alarm for Radiation and Dosage Monitoring
$64.00 Save $65.00 RRP: $129.00
NDIR CO2 Carbon Dioxide Air Gas Sensor Module Infrared IR 400-5000ppm for CO2 Monitor Terminal Type
$20.95 Save $9.00 RRP: $29.95
Portable 4 Gas Detector
$279.00 Save $420.00 RRP: $699.00
Air Quality Monitor Accurate Tester For Co2 Formaldehyde(hcho) Tvoc/aqi Multifunctional Air Gas Detector Real Time Datamean Value Recording For Home
$139.00 Save $200.00 RRP: $339.00
Portable Household Gas Alarm Natural Gas Detector LCD Display Independent Combustible Gas Alarm US Plug
$29.95
Refrigerant Leak Detector for - UT336A
$119.00 Save $60.00 RRP: $179.00
Ammonia Gas Detectors NH3 Gas Analyzers Meter Alarm Device Digital Gas Leak Detectors 0-100PPM
$269.00 Save $120.00 RRP: $389.00
Co2 Air Detector 3-in-1 Indoor Co2 Detector Air Quality Monitor Detects Co2 Home Office Light-and-s
$139.00 Save $60.00 RRP: $199.00
2025 Voltage Detector Detector LED for Electrical Voltage Detector Electrician
$52.95 Save $56.05 RRP: $109.00
2025 Portable CO Detector Carbon Monoxide Detector, Mobile CO Warner Carbon Monoxide Warning Detector, CO Meter with Temperat SZRH A-F
$139.00 Save $10.00 RRP: $149.00
2025 Smart Sensor 4 In 1 Gas Monitor Rechargeable Portable Gas Detector Hs O Co And Lel Multi Gas Monit -hhy
$229.00 Save $20.00 RRP: $249.00
4X Oxygen Sensor AO-02 Gas Detector Compatible with AO2 AA428-210 AO2PTB-18.10 unbrand
$119.00 Save $70.00 RRP: $189.00
Total Smart WiFi Air Quality Sensor White
$30.95 Save $17.00 RRP: $47.95
12589321 Car Accessories Oxygen Sensor O2 Sensor
$18.95 Save $11.00 RRP: $29.95
CO Gas Sensor Carbon Monoxide Sensor UART Digital Output SC16B-CO
$20.95 Save $12.00 RRP: $32.95
Air Quality Monitor 15 in 1 Smart Air Quality Tester EU Plug B
$54.00 Save $35.00 RRP: $89.00