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Shop the best prices on 8,045 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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641 - 672 of 3,200
Gas Detector, Formaldehyde Detector, Dust Detector, Volatile Substance Detector, Handheld Air Detector
$129.00 Save $70.00 RRP: $199.00
Indoor Air Quality Monitor - Portable Carbon Dioxide Detector with Clear Display for Grow Tents and Bedrooms
$529.00 Save $270.00 RRP: $799.00
Air Quality Monitoring Device for Home, Smart Carbon Dioxide Analyzer | Precise Safety Monitor for Grow Tents and Bedrooms
$54.00 Save $25.00 RRP: $79.00
Gas Leak Detector, 010000 PPM CH4 Flammable Gas Sensor Alarm Tester (Digital Display)
$2,249.00 Save $1,100.00 RRP: $3,349.00
Flammable Gas Detector Portable Compact Combustible Gas Leak Detector Easy To Carry And Operate
$139.00 Save $70.00 RRP: $209.00
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
PM Sensor SDS011 Precision Laser PM2.5 PM10 Air Quality Detection Sensor
$574.00 Save $300.00 RRP: $874.00
Combustible Leak Detector AS8800L Visual Leakage Indicator Leakage Location Alarm Meter Tester
$199.00 Save $100.00 RRP: $299.00
Gas Leak Detector HT601A HT601B High Precision 0-1000PPM Methane Gas Monitor with Sound and Display Alarm for Air Quality Monitoring
$119.00 Save $60.00 RRP: $179.00
Air Quality Meters Handheld Portable Gas Leak Detector Mini PPM Meter 1000PPM Flammable Natural Gas Analyzer Pen Type
$84.00 Save $35.00 RRP: $119.00
Air Quality Monitor Handheld Portable Gas Leak Detector Mini PPM Meter HT61 Flammable Natural Gas Analyzer 1000PPM
$89.00 Save $50.00 RRP: $139.00
Air Quality Monitor Digital Formaldehyde Detector Portable PM2.5 PM10 TVOC Sensor Indoor Air Quality Tester
$139.00 Save $60.00 RRP: $199.00
Portable Gas Leak Detector Handheld Sniffer for Home, Car, Hotel and Restaurant Safety
$59.00 Save $30.00 RRP: $89.00
Halogen Gas Leak Detector with LED for Air Conditioning and Automotive HVAC WJL6000
$69.00 Save $30.00 RRP: $99.00
Gas Detector for LPG Natural Gas with Audible Visual Alarm, Portable Methane Propane Butane Leak Sensor for Kitchen Home Motorhome
$49.95 Save $24.05 RRP: $74.00
Indoor Air Quality Monitor with Ozone O3 Gas Detector, Portable Analyzer for Home Office School
$199.00 Save $90.00 RRP: $289.00
CO2 Sensor SCD41 with Temperature and Humidity Detection I2C Interface for Air Quality Monitoring
$84.00 Save $45.00 RRP: $129.00
CO2 Air Quality Monitor with PM2.5 Dust Sensor, Indoor Pollution Detector, Portable Mt29 Black
$47.95 Save $26.05 RRP: $74.00
Air Quality Meter Flammable Gas Leak Detector with Sound Light Alarm for Home Safety AS8800L
$94.00 Save $45.00 RRP: $139.00
Air Quality Monitor Freon Leak Detector for HVAC Refrigerant Gas R22 R410A R134A R1234YF WJL-6000
$64.00 Save $35.00 RRP: $99.00
Air Quality Monitor CO2 PM2.5 HCHO Detector for Home Office Dust Gas Analysis
$199.00 Save $100.00 RRP: $299.00
Indoor Air Quality Test Kit with Agar Plates DIY Mold Detector Guide Set of 10 (9cm)
$179.00 Save $80.00 RRP: $259.00
Formaldehyde Detector, Handheld Air Quality Monitor, TVOC Tester for Home, School, Office, Black, Portable, Accurate Measurements
$69.00 Save $35.00 RRP: $104.00
Air Quality Monitor Portable Accurate Sensor With Clear Display Real-Time Data Rechargeable Battery Bedroom Safety
$43.95 Save $20.05 RRP: $64.00
Gas Detector 0-1000PPM LCD Backlight Waterproof Multi-Gas Sensor For Air Conditioning Refrigeration
$129.00 Save $60.00 RRP: $189.00
Ozone Monitor O3 Gas Detector for Air Quality, Portable Intelligent Sensor, Real-Time Pollution Analysis
$229.00 Save $110.00 RRP: $339.00
Multifunctional Gas Detector For Automotive AC Refrigerant Leak Detection And Maintenance-Friendly Design
$229.00 Save $110.00 RRP: $339.00
Portable Voltage Detector Breakpoint Detection Electrician Use Compact Pocket Size
$22.95 Save $11.00 RRP: $33.95
HLD-100+ Refrigerant Leak Detector For Auto HVAC, Halogenated Gas Analyzer Compatible, Mixed Halogen Detection
$99.00 Save $50.00 RRP: $149.00
Air Quality Monitor 5 in 1 Air Quality Detector C02 Detector HCHO TVOC Tester LCD Temperature Humidi
$20.95 Save $7.00 RRP: $27.95
5 in 1 Digital PH TDS EC Meter Pen Salinity Temperature Tester Conductivity Filter Purity with Backl
$28.95
Refrigerant Leak Detector 0-1000PPM Air Conditioning HVAC Refrigerant Leak Detector HCFC HFO Tester
$51.95 Save $22.05 RRP: $74.00