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Shop the best prices on 8,000 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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1,569 - 1,600 of 8,000
MQ136 Hydrogen Sulfide Gas Sensor Module H2S Gas Detection Sensor Module High Sensitivity Sensor Mo
$27.95 Save $17.00 RRP: $44.95
Portable Carbon Dioxide Detector Air Quality Tester CO2 Meter Thermometer Hygrometer Detector
$38.95 Save $35.05 RRP: $74.00
WJL-6000UV Halogen Leak Detector Freon Leak Detector R22 R410A R134A
$33.95 Save $11.00 RRP: $44.95
Tuya Combustible Gas Detector Gas Alarm Gas Detection Sensor,A
$22.95
CO2 Infrared NDIR Sensor Air Quality Detector Digital Gas Analyzer
$35.95 Save $23.05 RRP: $59.00
Mini Smart WIFI Mini CO Detector Indoor Air Quality Monitor CO Tester
$37.95 Save $31.05 RRP: $69.00
CO2 Detector CO2 Monitor Carbon Dioxide Temperature Humidity Meter
$45.95 Save $23.05 RRP: $69.00
Combustible Gas Detector, Combustible Gas Alarm, Air Quality Monitor
$36.95 Save $16.00 RRP: $52.95
Particle Counter 3.2in TFT Color Screen Data Record Dual Power Supply Dust Particle Monitor
$1,149.00 Save $650.00 RRP: $1,799.00
Portable Gas Detector for AO2 AA428-210 Models SZRH A-C Compatible Devices unbrand
$39.95 Save $14.05 RRP: $54.00
HT66 Gas Leak Detector 50-1000PPM Sound Alarm Mini Household Handheld Combustible Natural Methane Gas Leak Detector
$28.95
Combustible Gas Detector Gas Leak Detection Alarm
$89.00 Save $15.00 RRP: $104.00
Air Monitor CO2 Carbon Dioxide Detector Air Quality Monitor, Black
$24.95 Save $3.00 RRP: $27.95
Refrigerant Leak Detector for UT336A
$139.00 Save $10.00 RRP: $149.00
Portable Continuous Quantitative Analysis Ammonia Gas Hold Peak 9000B Detector 0-100ppm Rechargeable with LCD Screen
$349.00 Save $180.00 RRP: $529.00
US Plug,CO2 Meter Controller Detector
$259.00 Save $40.00 RRP: $299.00
Ozone Gas Detection Module Portable O3 Low Concentration Gas Sensor Module Tester
$38.95 Save $25.05 RRP: $64.00
SMART SENSOR 4-in-1 Gas Detector, Toxic and Harmful Flammable Oxygen, Carbon Monoxide, Hydrogen Sulfide, Ammonia Alarm
$129.00 Save $70.00 RRP: $199.00
Digital Gas Leak Detector PPM Range Audible/Visual Alarm Semiconductor Sensor Propane Natural Gas Combustible
$119.00 Save $60.00 RRP: $179.00
SGP41 VOC Sensor Module Dual Gas Environment Detection Industrial Wide Temperature Range STEMMA QT/Qwiic Interface
$18.95 Save $11.00 RRP: $29.95
Gas Detector with Oxygen Sensor Ao-02 for Ao2 Aa428-210 and Ao2ptb-18.10 Compatibility
$79.00 Save $80.00 RRP: $159.00
Portable Air Quality Detector Multifunctional Digital Carbon Dioxide Monitor for Home Bedroom Office
$24.95 Save $22.00 RRP: $46.95
WIFI Natural GasDetector and Carbon Monoxide CO Detector,Combustible Gas Leak DetectorMonitor for C
$37.95 Save $9.00 RRP: $46.95
2X Tuya CO2 Dioxide Detector WIFI CO2 Monitor Meter Co2 Sensor Indoor Agricultural Greenhouse Air Humiture Sensor
$139.00
SGP41 VOC Sensor Module Dual Gas Environment Detection Industrial Wide Temperature Range STEMMA QT/Qwiic Interface
$17.95
9821121180 Nox Sensor for Nitrogen Oxide Sensor
$104.00 Save $55.00 RRP: $159.00
-12C Portable Oxygen Analyzer Oxygen Concentration Tester Handheld Oxygen Tester Analysis Instrumen
$139.00
Halogen gas detector automotive high-precision air conditioning refrigerant refrigerant Freon leak detector
$64.00 Save $15.00 RRP: $79.00
WT8801 Combustible Gas Leakage Alarm Detector Compound Gas Monitor Tester DC100‑240V
$149.00 Save $50.00 RRP: $199.00
Gas Detector Multifunctional ABS Housing Dustproof IP65 Gas Monitor Meter for Oil Refining 100‑240V US Plug
$199.00 Save $60.00 RRP: $259.00
Air Quality Monitor Carbon Dioxide CO2 Meter Temperature/Humidity Sensor Real-time Reading Indoor and Outdoor Car Gas Detection Black
$54.00 Save $20.00 RRP: $74.00
Pot Side Silicone Snap Strainer - Red, Hands Free Clip-on Heat Resistant Colander for Pasta Vegetable Pasta Pots and Dishes
$30.95 Save $19.00 RRP: $49.95