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Shop the best prices on 7,789 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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2,305 - 2,336 of 7,789
Gas Leak Detector with LCD Display and Sound Alarm for Methane Natural and Liquefied Petroleum Gas Air Quality Monitor
$26.95 Save $12.00 RRP: $38.95
SCD40 Gas Sensor Module 2.4-5.5V Detects CO2 Carbon Dioxide Temperature and Humidity Sensor I2C Communication
$54.00 Save $25.00 RRP: $79.00
SMART SENSOR 4-in-1 Gas Detector, Toxic and Harmful Flammable Oxygen, Carbon Monoxide, Hydrogen Sulfide, Ammonia Alarm
$119.00 Save $50.00 RRP: $169.00
Oxygen Analyzer Professional Portable O2 Oxygen Concentration Meter Detector 21%-95.6% O2 Meter Gas Detector US Plug
$179.00 Save $90.00 RRP: $269.00
SNDWAY SW-723 Gas Detector Carbon Dioxide CO2 Monitor Alarm 9999 PPM Sensor Professional Carbon Dioxide Tester Device COO Meter
$209.00 Save $90.00 RRP: $299.00
CO Gas Sensor Carbon Monoxide Sensor UART Digital Output SC16-CO
$24.95 Save $11.00 RRP: $35.95
Em2268 Ultrasonic Leak Detector Transmitter 36khz-44khz Pressure Vaccum System Locator Air Water Dust Leak Detector
$724.00
Oxygen Detector Meter Monitor High Accuracy Handheld Portable Concentration Measurement for Home O2
$239.00 Save $70.00 RRP: $309.00
4 Gas Monitor,4 Gas Detector for H2S,CO,LEL and O2, B
$239.00 Save $10.00 RRP: $249.00
5X Oxygen Sensor AO-02 Gas Detector Compatible with AO2 AA428-210 AO2PTB-18.10
$159.00 Save $90.00 RRP: $249.00
SC8 Single-Channel (400-5000 Ppm) CO2 Sensor High- Infrared CO2 Concentration Detection Module
$21.95
FNIRSI GD-02 Portable Gas Leak Detector 50000PPM Sound Light Alarm Combustible Natural Methane LPG Leak Detectio Gas Detector
$69.00 Save $40.00 RRP: $109.00
SMART SENSOR ST8990 Multi Gas Monitor Rechargeable 4 in 1 O LEL CO HS Gas Detector Tester Sensor
$279.00 Save $100.00 RRP: $379.00
PM2.5 Dust Detector, Household Indoor Laser Meter, Air Quality Testing Instrument, Gas Detector
$54.00 Save $5.00 RRP: $59.00
MQ137 Ammonia Gas Detection Sensor Module NH3 Gas Sensor Module Household Appliance Accessories Ana
$18.95 Save $3.00 RRP: $21.95
Air Monitor Co2 Carbon Dioxide Detector Air Quality Temperature Humidity Monitor Quick Measuring Meter For Co2, Black XYT
$35.95 Save $23.05 RRP: $59.00
Air Monitor Co2 Carbon Dioxide Detector Air Quality Temperature Humidity Monitor Quick Measuring Meter For Co2, Black
$35.95 Save $23.05 RRP: $59.00
Air Quality Detector - Indoor Dust Monitor with Real-Time Data for Home Use - Multifunctional Air Quality Sensor
$79.00 Save $40.00 RRP: $119.00
Indoor Air Quality Monitor | Portable CO2 Detection Device with Clear Display for Bedroom Safety and Home Monitoring
$54.00 Save $25.00 RRP: $79.00
Air Quality Detector High-Precision Indoor Air Monitor for Home Professional Air Quality Monitoring
$46.95 Save $27.05 RRP: $74.00
Air Quality Meter - Precision Carbon Dioxide Monitor for Grow Tents and Bedrooms - Accurate Air Quality Measurement Device
$54.00 Save $25.00 RRP: $79.00
LD610 Combustible Gas Leak Detector Sound Alarm Combustible Methane C4H10 H2 Gas Leak Tester 100-9999ppm Gas Tester with Probe
$84.00 Save $20.00 RRP: $104.00
Smart Gas Leak Detector with WiFi LCD Display for Home Safety and LPG Monitoring
$129.00 Save $60.00 RRP: $189.00
Sensitivity Refrigerant Leak Detector with Sound and Light Alarm for HVAC Technicians
$129.00 Save $60.00 RRP: $189.00
HABOTEST HT60 Portable Gas Leak Detector Handheld Combustible Gas Detector with Audible and Visual
$25.95
Red/ Black QRB1 Standard Photocell for Diesel Waste Oil Burner Plastic Bulb Flame Detect Sensor Combustor Photosensitive Tube
$48.95 Save $10.05 RRP: $59.00
WJL-6000UV Halogen Leak Detector Freon Leak Detector R22 R410A R134A
$31.95 Save $7.00 RRP: $38.95
Tuya WIFI Combustible Gas Detector Gas Alarm Gas Detection Sensor,B
$28.95 Save $6.00 RRP: $34.95
SMART SENSOR 4-in-1 Gas Detector, Toxic and Harmful Flammable Oxygen, Carbon Monoxide, Hydrogen Sulfide, Ammonia Alarm
$149.00
Tuya Combustible Gas Detector Gas Alarm Gas Detection Sensor,A
$23.95 Save $4.00 RRP: $27.95
Carbon Dioxide PM2.5 Detectors, Accurate Air Quality Measurement Tool for Home and Office Use
$219.00 Save $80.00 RRP: $299.00
Combustible Gas Detector Analyzer Monitor Sound Alarm Analog Bar Aalrm Temp Lcd Screen With Flexible Probe 50000 Ppm 100% Lel_k29
$249.00 Save $100.00 RRP: $349.00