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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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2,977 - 3,008 of 3,200
Dm502-o3 Handheld Ozone Detector O3 Multi-function Gas Detector
$699.00
2CO16TB 6 In 1 Multifunctional Air Quality Monitor, Portable Formaldehyde Detector Professional Air Quality Tester for Indoor Spaces - Date Time, CO,
$74.00 Save $20.00 RRP: $94.00
PV1000-DW Smart WIFI Large 4-in-1 Carbon Dioxide Detector, Indoor Air Quality Monitor Portable CO2 Monitor, Tester for Time, Carbon Dioxide, Tempera
$139.00 Save $40.00 RRP: $179.00
SMART SENSOR Hand-held CFCs HCFCs HFCs Halogen Gas Detector Refrigerant Air Conditioning Detector Freon Gas Leak Tester
$69.00 Save $20.00 RRP: $89.00
Refrigeration Leak Detector
$45.95
SMART SENSOR 4 in 1 Gas Detector HS and CO Monitor Industrial Digital Handheld Toxic Gas Carbon Monoxide Detector Carbonic Oxide Hydrogen Sulfide Gas
$269.00 Save $80.00 RRP: $349.00
Accurate Ozones Level Meter Display for Home Office Environment Professional Environment Schools
$159.00
SMART SENSOR AP388 Gas Detector Portable Gas Leak Detector LPG Natural Gas Coal Gas Detection Sound & LED Alarm Auto Shut-Down for Home Kitchen
$35.95 Save $10.00 RRP: $45.95
Portable Natural Gas Leak Detector with LCD Display High Accuracy Combustible Gas Detector Sensor Tester
$42.95 Save $16.05 RRP: $59.00
Portable USB Rechargeable PM2.5 Detector Multifunctional Thermohygrometer Home Air Detector Indoor Air Quality Analyzer Household Air Pollution Monito
$69.00 Save $15.00 RRP: $84.00
CO2 Monitor & Controller CO2 Concentration Tester Controller 0~9999ppm Measuring Range with Human & Plant Mode High Sensitive Wall-mounted Carbon Diox
$329.00 Save $100.00 RRP: $429.00
Carbon Dioxide Detector with Rechargeable Battery Portable CO2 Meter Tester for Carbon Dioxide Air Quality Detector CO2 Meter Monitor with Storage Cas
$209.00 Save $60.00 RRP: $269.00
HABOTEST HT66 Mini Gas Detector Household Handheld Combustible Gas Detecting Gauge with Long Probe Gas Leak Monitor Tester PPM Meter Methane Concentra
$41.95 Save $12.05 RRP: $54.00
MASTFUYI FY8830 Portable Gas Leak Detector Natural Gas Detector Combustible Gas Detector With Audible And Visual Alarm Gas Sniffer Tool
$28.95 Save $9.00 RRP: $37.95
Digital Formaldehyde Detector Hygrothermograph Alarm Clock Carbon Dioxide Tester Air Quality Monitor Gas Analyzer
$94.00 Save $25.00 RRP: $119.00
Industrial Digital Handheld 4 in 1 Gas Carbon Monoxide Detector Oxygen Combustible Gas H2S Tester with 120000 Data Logging LCD Display Sound and Light
$269.00 Save $70.00 RRP: $339.00
Natural Gas Detectors 50-1000PPM Range Portable Handheld Gas Detector with LCD Backlit Display High-Precision Sensor Gas Leak Detector for Home Indust
$29.95 Save $8.00 RRP: $37.95
AR8100 Handheld O2 Meter Rechargeable Oxygen Detector for Outdoor Industry 100240V
$149.00 Save $90.00 RRP: $239.00
NH3 Test Meter Handheld Portable Accurate 0 to 50ppm 3.5 Inch LCD Display NH3 Gas Detector for Home
$149.00 Save $80.00 RRP: $229.00
HVAC Refrigerant Leak Detector 7 Levels Sensitivity Adjustable Freon Gas Leakage Tester for Air Condition R22 R410A R134A R1234YF With LED Light ( Req
$42.95 Save $26.05 RRP: $69.00
HABOTEST Portable Gas Analyzer HT601A Household Gas Leak Detector Gases Detector PPM Meter Methane Concentration Alarm Instrument
$69.00 Save $25.00 RRP: $94.00
CO2 Air Detector Carbon Dioxide Detector Agricultural Production Greenhouse CO2 Monitor White
$34.95 Save $10.00 RRP: $44.95
HABOTEST HT609 Gas Leak Detector Combustible Gas Detector with LCD Display Audible and Visual Alarm Ambient Temperature and Humidity Methane Natural G
$50.95 Save $18.05 RRP: $69.00
-SGP30 ECO2 Air Quality Gas Sensor Module TVOC Detection Chip Compatible for Demo Board
$14.95 Save $4.00 RRP: $18.95
KKmoon Handheld Carbon Monoxide Meter with High Precision CO Gas Tester Monitor Detector Gauge 0-1000ppm GM8805
$79.00 Save $20.00 RRP: $99.00
-6000UV Halogen Leak Detector Freon Leak Detector R22 R410A R134A R1234YF Refrigerant Gas Air Conditioner Tester Tool
$39.95 Save $11.00 RRP: $50.95
3 in 1 CO2 Meter Air Quality Monitor Handheld 5000Ppm CO2 Monitor Measurement Carbon Dioxide / Detector S8601A
$40.95 Save $13.05 RRP: $54.00
Car Fuel Leak Detector for , 9818707580
$47.95 Save $16.05 RRP: $64.00
CO2 Infrared NDIR Sensor Air Quality Detector Digital Gas Analyzer
$37.95 Save $26.05 RRP: $64.00
Air Quality Detector Monitor Indoor Tester Carbon Dioxide Sensor
$129.00 Save $80.00 RRP: $209.00
Gas Leak Detector 803 Oxygen Gas Detector Oxygen Gas Detector 803 Blue Digital Display Oxygen Gas Leak Detector 10-+50℃
$114.00 Save $75.00 RRP: $189.00
Freon Leak Detector Halogen Gas Analyzer Air Conditioning Gas Detector Refrigerant Leak R134a CFCs HCFCs HFCs Meter
$64.00 Save $45.00 RRP: $109.00