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Shop the best prices on 8,066 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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2,337 - 2,368 of 3,200
US Plug,Hydrogen Sulfide Gas Detector 0-100 PPM with 3 Alarm Modes, H2S Air Quality Meter with Temp & Humidity
$129.00 Save $50.00 RRP: $179.00
Gas Leak Detector 803 Oxygen Gas Detector Oxygen Gas Detector 803 Blue Digital Display Oxygen Gas Leak Detector 10-+50℃
$119.00 Save $50.00 RRP: $169.00
Gas Leak Detector with LCD Display and Sound Alarm for Methane Natural and Liquefied Petroleum Gas Air Quality Monitor
$27.95 Save $12.00 RRP: $39.95
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 $60.00 RRP: $179.00
Oxygen Analyzer Professional Portable O2 Oxygen Concentration Meter Detector 21%-95.6% O2 Meter Gas Detector US Plug
$189.00 Save $80.00 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 $100.00 RRP: $309.00
CO Gas Sensor Carbon Monoxide Sensor UART Digital Output SC16-CO
$25.95 Save $11.00 RRP: $36.95
Em2268 Ultrasonic Leak Detector Transmitter 36khz-44khz Pressure Vaccum System Locator Air Water Dust Leak Detector
$749.00
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
$249.00 Save $10.00 RRP: $259.00
5X Oxygen Sensor AO-02 Gas Detector Compatible with AO2 AA428-210 AO2PTB-18.10
$169.00 Save $90.00 RRP: $259.00
FNIRSI GD-02 Portable Gas Leak Detector 50000PPM Sound Light Alarm Combustible Natural Methane LPG Leak Detectio Gas Detector
$74.00 Save $45.00 RRP: $119.00
Portable CO2 Monitor with Temperature Display, 3-in-1 Air Quality Detector, 5000ppm Range, ℃/℉ Switchable Measurement
$20.95 Save $23.00 RRP: $43.95
CO2 Gas Sensor Module for Temperature and Humidity Monitoring 2-in-1 Detection Solution
$43.95 Save $55.05 RRP: $99.00
SMART SENSOR ST8990 Multi Gas Monitor Rechargeable 4 in 1 O LEL CO HS Gas Detector Tester Sensor
$289.00 Save $100.00 RRP: $389.00
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
LD610 Combustible Gas Leak Detector Sound Alarm Combustible Methane C4H10 H2 Gas Leak Tester 100-9999ppm Gas Tester with Probe
$89.00 Save $15.00 RRP: $104.00
WJL-6000UV Halogen Leak Detector Freon Leak Detector R22 R410A R134A
$32.95 Save $7.00 RRP: $39.95
Tuya WIFI Combustible Gas Detector Gas Alarm Gas Detection Sensor,B
$29.95 Save $6.00 RRP: $35.95
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 $5.00 RRP: $28.95
Carbon Dioxide PM2.5 Detectors, Accurate Air Quality Measurement Tool for Home and Office Use
$229.00 Save $80.00 RRP: $309.00
Combustible Gas Detector Analyzer Monitor Sound Alarm Analog Bar Aalrm Temp Lcd Screen With Flexible Probe 50000 Ppm 100% Lel_k29
$259.00 Save $90.00 RRP: $349.00
Refrigerant Leak Detector for UT336A
$139.00 Save $20.00 RRP: $159.00
CY-12C Portable Oxygen Analyzer Oxygen Concentration Tester Handheld Oxygen Tester Analysis Instruments
$139.00
SCD40 Gas Sensor Module Detector CO2 Carbon Dioxide Temperature and Humidity Sensor I2C Communication Gas Sensor Module
$51.95 Save $27.05 RRP: $79.00
NAP-100AD Industrial High-Temperature Combustible Gas Sensor Catalytic Combustion Type Sensor Replacement Sensor
$99.00 Save $50.00 RRP: $149.00
5X Oxygen Sensor AO-02 Gas Detector Compatible with AO2 AA428-210 AO2PTB-18.10
$169.00 Save $80.00 RRP: $249.00
-Z19C Pin Probe Low-Power Infrared Carbon Dioxide Gas Sensor CO2 Gas Concentration Leak Detection P
$52.95 Save $11.05 RRP: $64.00
SC8 Single-Channel (400-5000 Ppm) CO2 Sensor High- Infrared CO2 Concentration Detection Module
$21.95 Save $6.00 RRP: $27.95