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Shop the best prices on 8,059 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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2,561 - 2,592 of 3,200
US Plug,4 in 1 Gas Monitor for O2,CO,H2S,Combustible Gas Tester, Gas Leak Detector with Sound,Light
$129.00 Save $10.00 RRP: $139.00
Portable Radon Detector Digital Domestic Radon Monitor Gas Monitoring Instrument Highly Sensitive N
$159.00 Save $10.00 RRP: $169.00
Digital Gas Leak Detector PPM Range Audible/Visual Alarm Semiconductor Sensor Propane Natural Gas C
$99.00 Save $10.00 RRP: $109.00
Portable Continuous Quantitative Analysis Ammonia Gas Hold 9000B Detector 0-100ppm Rechargeable wit
$339.00 Save $50.00 RRP: $389.00
4-in-1 Gas Detector, and Harmful Oxygen, Carbon Monoxide, Hydrogen Sulfide, Ammonia Alarm
$109.00 Save $10.00 RRP: $119.00
Gas Detector Oxygen Sensor AO-02 Compatible with AO2 AA428-210 AO2PTB-18.10
$34.95 Save $54.05 RRP: $89.00
AR8100 Handheld O2 Meter Rechargeable Oxygen Detector for Outdoor Industry 100‑240V
$189.00 Save $50.00 RRP: $239.00
Indoor Portable CO2 Detector Multifunctional Thermohygrometer Home Digital Air Detector Intelligent
$33.95 Save $10.00 RRP: $43.95
Refrigeration Gas Leak Detector Freon Leak Tester Portable Halogen Leakage Detector Checker with Hig
$64.00 Save $15.00 RRP: $79.00
8 in 1 Air Quality Monitor CO2 Meter Carbon Dioxide Detector CO2 TVOC HCHO PM2.5 PM1.0 PM10 Temperat
$64.00 Save $20.00 RRP: $84.00
Formaldehyde Detector Household Decoration New Occupancy Gas Detection Indoor Harmful Odor Test TVO
$25.95 Save $8.00 RRP: $33.95
13 in 1 for Tuya WIFI Intelligent Air Quality Tester Indoor CO2 Detector CO2/TVOC/PM2.5/PM1.0/PM10/T
$79.00 Save $20.00 RRP: $99.00
Carbon Dioxide Controller Single Channel Split Probe CO2 Monitor CO2 Pressure Reducer Valve for Greenhouse EU Plug C
$249.00
Real-Time EMF Detector with Alarm for Radiation and Dosage Monitoring
$64.00 Save $65.00 RRP: $129.00
Gas Leak Detector with High-Precise Sensor, Flexible Probe, Visual/Audible Alarm, Portable for Home/Industrial Use
$41.95 Save $22.05 RRP: $64.00
5 in 1 Air Quality Monitor, USB Rechargeable CO2 Detector White
$79.00 Save $60.00 RRP: $139.00
6 in 1 Multifunctional Air Quality Tester LCD Display Wall Mounted
$27.95 Save $19.00 RRP: $46.95
Portable Breath Alcohol Tester Handheld Breathalyzer Alcotest Test
$12.95 Save $9.00 RRP: $21.95
CJMCU-8118 HDC1080 Carbon Dioxide CO2 Temperature Humidity VOCs Air Quality Sensor Module for
$33.95 Save $25.05 RRP: $59.00
2X -Z19 -Z19E IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR for CO2 Monitor 400-5000P
$47.95 Save $36.05 RRP: $84.00
SCD40 Gas Sensor Module Detector CO2 Carbon Dioxide Temperature and Humidity Sensor I2C Communication Gas Sensor Module
$59.00 Save $40.00 RRP: $99.00
3X SCD40 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity 2 in 1 Sensor
$79.00 Save $60.00 RRP: $139.00
USB Rechargeable CO2 Detector White
$22.95 Save $17.00 RRP: $39.95
Ghost Equipment Kit, Emf Meter with 2 Motion Light Up CatBalls
$59.00 Save $40.00 RRP: $99.00
Lead Paint Test Swabs Kit: 60 Pcs Lead Test Kit Swabs
$20.95 Save $15.00 RRP: $35.95
3X MQ131 High Concentration Sensor Gas Sensor Module for High Concentration Analog TTL Level
$69.00 Save $50.00 RRP: $119.00
Wireless Bluetooth 12V Battery Monitory BM6
$89.00 Save $60.00 RRP: $149.00
2X MQ137 Ammonia Gas Detection Sensor Module NH3 Gas Sensor Module Household Appliance Accessories A
$32.95 Save $26.05 RRP: $59.00
XR2 BR-9A Handheld Electromagnetic Radiation Detector Tester Black
$79.00 Save $60.00 RRP: $139.00
4 Gas Monitor,4 Gas Detector for H2S,CO,LEL and O2,Adopt High-Precision ADC Acquisition Chip and 32-Bit Nano-Processor A
$209.00 Save $150.00 RRP: $359.00
Formaldehyde Detector Air Quality Monitor Portable HCHO Temperature Humidity Tester with Alarm Clock for Home Car Office
$149.00 Save $30.00 RRP: $179.00
Tuya Wifi Smart Natural Gas AlarmSensor with Temperature Function Combustible Gas Leak Detector LCD Display Tuya App(EU)
$29.95 Save $16.00 RRP: $45.95