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Shop the best prices on 8,060 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 3,200
Expandable Smog Leak Detector for All Intake and Exhaust Shapes Quickly Diagnose Any Intake Problems
$20.95 Save $16.00 RRP: $36.95
Ultrasonic Water Tank Liquid Depth Level Meter with Temperature Sensor, Time Display, and Alarm Water Tank Level Meter
$64.00 Save $55.00 RRP: $119.00
Multifunctional Air Quality Meter Indoor HCHO TVOC Carbon Monoxide CO2 PM2.5 PM10 Temperature and Humidity Detector B
$33.95 Save $25.05 RRP: $59.00
WiFi 6-in-1 Indoor Air Quality Monitor HCHO TVOC CO 2 CO PM10 PM2.5 Meter Gases Detecting Intelligent White
$34.95 Save $29.05 RRP: $64.00
0.5 Inch OLED1280X960 Microdisplay AV Interface Night Vision Thermal Imaging AR Display ECX337A B
$379.00 Save $295.00 RRP: $674.00
Hay Moisture Tester, with Probe & Backlight LCD Display for Hay, Forage Grass, Alfalfa and Other Hays Moisture Testing
$74.00 Save $65.00 RRP: $139.00
12v LPG and Natural Gas Leak Detector with 85db Siren for Vehicles, RVs and Homes - Digital Propane Testing Meter in White
$69.00
Portable Gas Leak Detector for LPG, Natural Gas, and Coal Gas with Sound Alarm and Plug-in Sensor
$39.95
PM2.5 Dust Detector, Household Indoor Laser Meter, Air Quality Testing Instrument, Gas Detector
$64.00 Save $15.00 RRP: $79.00
Halogen Leak Detector Air Conditioning Refrigerant Leak Detector HVAC R22 R410A R134A CFCs HCFC Freon Gas Tester
$139.00
Handheld Combustible Gases Leak Detector Natural Gases Leakage Concentration Analyzer Meter Sound Light ZL72B Charging
$114.00
Air Monitor Co2 Carbon Dioxide Detector Air Quality Temperature Humidity Monitor Fast Measurement Meter-dwdz
$28.95 Save $22.00 RRP: $50.95
Co2 Air Detector Carbon Dioxide Detector Agricultural Production Greenhouse Co2 Monitor White
$19.95 Save $15.00 RRP: $34.95
4in 1 Gas Detector CO H2S O2 EX Tester Analyzer Rechargeable LCD Display Sound Light Vibration Alarm
$229.00 Save $60.00 RRP: $289.00
Gas Leak Detector Combustible Propane Butane Methane Natural Gas Safety Alarm Sensor Warning EU Plug
$27.95 Save $14.00 RRP: $41.95
Type C Tuya Smart WiFi + Bluetooth Dual Mode Gas Detector 70dB Natural Gas Leak Alarm
$43.95 Save $35.05 RRP: $79.00
PM2.5 Detector LED Household Air Quality Vehicle Environment Monitor A1 Communication 2.8in
$74.00 Save $25.00 RRP: $99.00
5V USB Handheld Nitric Oxide Gas Detector Harmful Gas NO Concentration Alarms 0250PPM
$339.00 Save $210.00 RRP: $549.00
Mini Gas Detector Combustible Methane Natural Gas Leak Tester Sensor for Home HT66
$33.95 Save $20.05 RRP: $54.00
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity in One Sensor Communication B
$32.95 Save $46.05 RRP: $79.00
2PCS MQ3 Gas Sensor Module Dual Indicator Breath Alcohol Detection with TTL and Analog Output
$20.95 Save $11.00 RRP: $31.95
Gas Leak Detector with Adjustable Sensitivity and Stainless Steel Probe for Natural or Propane Gas
$69.00 Save $30.00 RRP: $99.00
MHZ19B MHZ19C NDIR CO2 Sensor Module 05000ppm Accuracy Infrared Gas Detector for Air Quality Monitor
$139.00 Save $70.00 RRP: $209.00
Leak Tester 01000 PPM Refrigerant Leak Detector Zl77a HVAC CFCs HCFCs Air Conditioning
$79.00 Save $40.00 RRP: $119.00
Gas Leak Detector Portable Natural Gas Sniffer Methane Hexane Propane For Home Or Outdoor Use Black Battery Not Included
$54.00 Save $30.00 RRP: $84.00
Gas Detection Device For Automotive Refrigerants Portable Compact Car Refrigerant Detector Vehicle Refrigerant Sensor
$219.00 Save $100.00 RRP: $319.00
Natural Methane Sniffer 50-1000 PPM, Portable Handheld Methane Leak Detector With Audible Alarm
$74.00 Save $35.00 RRP: $109.00
Gas Detection Tool Portable, Fast and Accurate Gas Leak Detector for Home Safety, Compact Battery-Powered Detector
$64.00 Save $30.00 RRP: $94.00
Gas Detectors Air Quality Monitor 5 In 1 CO2 Formaldehyde HCHO TVOC Tester with LCD Temperature Humidity Alarm
$51.95 Save $27.05 RRP: $79.00
Natural Gas Detector CH4 - Portable Home and Industrial Leak Alarm Analyzer, Compact and Reliable Gas Tester
$169.00 Save $90.00 RRP: $259.00
Portable Gas Leak Detector, High Sensitivity USB Rechargeable CH4 and C4H10 Combustible Gas Tester for Home Use
$79.00 Save $40.00 RRP: $119.00
Reliable Halogen Gas Leak Detector with Adjustable Sensitivity, 18-Inch Probe Length, Real-Time Monitoring and Detection
$74.00 Save $35.00 RRP: $109.00