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Shop the best prices on 8,041 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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3,009 - 3,040 of 3,200
Digital RV Propane Gas Detector with 85dB Loud Alarm, DC 12V, for Trailer, Motorhome, Motorcoach White
$32.95
ANENG GN803 Handheld Gas Leak Detector Methane Combustible Gas Testers Portable Gases Concentration Analyzer Meter
$29.95
High-Precision Gas Tester Rechargeable Portable HCHO Alarm Trending TVOC Air Quality Formaldehyde Detector
$139.00 Save $80.00 RRP: $219.00
Radon Detector Monitor Analyzing Tool Radon Detector
$179.00 Save $110.00 RRP: $289.00
Handheld Oxygen Concentration Detector Temperature and Humidity
$129.00 Save $80.00 RRP: $209.00
Portable Gas Leak Detector for Natural Gas, Methane, Hexane, Propane, Home/Outdoor Use, Black, Includes Battery
$54.00 Save $30.00 RRP: $84.00
Luftqualitätsmonitor Tragbarer CO2 Detektor Mit Klarer Anzeige Für Growzelte Und Schlafzimmer Präzises Sicherheitsmessgerät
$54.00 Save $25.00 RRP: $79.00
Air Quality Monitor CO2 PM2.5 HCHO Detector for Home Office Dust Gas Analysis
$199.00 Save $100.00 RRP: $299.00
For EMF Detector 5 Level Quick Response Magnetic Radiation Monitor ABS EMF Measuring Instrument
$47.95 Save $91.05 RRP: $139.00
Lcd Carbon Monoxide Co Detector Poisoning Gas Sensor Monitor Warning Alarm Set
$15.95
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature D
$33.95
1085 Radon Detector Portable Home Radon Detector Natural Radon Gas Radiation Detector for Marble
$239.00 Save $100.00 RRP: $339.00
Handheld Gas Detector, O2 EX H2S CO Gas Analyzer, Air Quality Monitor Industrial Safety, Gas Sensor
$259.00 Save $140.00 RRP: $399.00
MQ137 Ammonia Gas Detection Sensor Module NH3 Gas Sensor Module Household Appliance Accessories Anal
$18.95 Save $5.00 RRP: $23.95
WiFi 5 in 1 Air Quality Detector USB Multifunctional Automatic Display CO2, HCHO, TVOC Temperature H
$18.95 Save $4.00 RRP: $22.95
LD-200 Heating Diode Handheld Leak Detector Air Conditioning Refrigeration System Gas Detector Handh
$199.00 Save $120.00 RRP: $319.00
Portable Ultrasonic Oxygen Measuring Instrument,for Detection PSA Oxygen Generator Output Concentra
$299.00 Save $160.00 RRP: $459.00
Portable Radon Detector Digital Domestic Radon Monitor Gas Monitoring Instrument Highly Sensitive Ne
$179.00 Save $90.00 RRP: $269.00
Halogen Leak Detector Air Conditioning Refrigerant Leak Detector HVAC R22 R410A R134A CFCs HCFC Freo
$43.95 Save $15.05 RRP: $59.00
Tuya WIFI Air Quality Monitor 5 in 1 Formaldehyde VOC CO2 Temperature Humidity Detector Sensor Suppo
$25.95 Save $24.00 RRP: $49.95
Tuya WiFi Smart Air Box Detector Air Quality Monitor Air Housekeeper Detects PM2.5, Formaldehyde, VO
$45.95 Save $28.05 RRP: $74.00
5-in-1 Air Quality Detector with Stand USB Type-C Multifunctional Automatic Display Portable CO2,HCH
$32.95 Save $7.00 RRP: $39.95
-6000UV Halogen Leak Detector Freon Leak Detector R22 R410A R134A R1234YF Refrigerant Gas Air Condit
$34.95 Save $10.00 RRP: $44.95
SGP40 VOC Sensor,Digital SGP40 VOC (Volatile Organic Compounds) Gas Sensor, I2C Bus
$28.95 Save $5.00 RRP: $33.95
HLW-100 4-in-1 Air Quality Detector Formaldehyde CO2 PM2.5 PM10 Tester Smart Air Monitor Real-Time I
$46.95 Save $27.05 RRP: $74.00
Refrigerant & Combustible Gas-Leak Detector, PPM Freon Leak Detector with Loud Alarm, for R134A R410
$52.95 Save $31.05 RRP: $84.00
Carbon Dioxide Detector Air Quality Detector Gas Analyzer Thermometer and Hygrometer Co2 Tester
$59.00 Save $30.00 RRP: $89.00
Tuya WIFI Air Quality Monitor 5 in 1 Formaldehyde VOC CO2 Temperature Humidity Detector Sensor Suppo
$24.95 Save $22.00 RRP: $46.95
Halogen Leak Detector Air Conditioning Refrigerant Leak Detector HVAC R22 R410A R134A CFCs HCFC Freo
$46.95 Save $27.05 RRP: $74.00
Logarithmic Detector Meter RF Power Module Light Detection 160dB 100pA‑10mA AD8304
$25.95 Save $8.00 RRP: $33.95
HT61 Combustible Gas Detector Portable Methane Tester Mini Gas Leakage Alarm Analyzer
$39.95 Save $11.00 RRP: $50.95
Gas Sensor Module Accurate Measurement Air Quality Sensor for Formaldehyde Benzene 5V
$23.95 Save $7.00 RRP: $30.95