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Shop the best prices on 8,049 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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1,921 - 1,952 of 3,200
Combustible Gas Detector with Adjustable Sensitivity and Audio Visual Alarm for Instant Leak Location
$99.00 Save $50.00 RRP: $149.00
CO2 Infrared NDIR Sensor Air Quality Detector Digital Gas Analyzer
$41.95 Save $27.05 RRP: $69.00
Mini Carbon Monoxide Detector CO Air Quality Monitor HD LED Screen
$52.95 Save $31.05 RRP: $84.00
6in1 Digital Air Quality Monitor Detector Formaldehyde TVOC White
$30.95 Save $18.00 RRP: $48.95
2C012,13 in 1 Tuya WIFI Air Quality Detector CO2 (with 3 slave units)
$74.00 Save $45.00 RRP: $119.00
MQ138 Formaldehyde Gas Detection Sensor Formaldehyde Sensor Module
$26.95 Save $15.00 RRP: $41.95
2Pcs - SGP40 SGP40 TVOC eCO2 CO2 Carbon Dioxide Sensor
$28.95 Save $16.00 RRP: $44.95
Indoor Air Quality Monitor,CO2 Monitor/Temperature/Formaldehyde White
$22.95 Save $14.00 RRP: $36.95
Tuya Combustible Gas Detector Gas Alarm Gas Detection Sensor,A
$23.95 Save $14.00 RRP: $37.95
4in1 Portable Carbon Dioxide Monoxide Detector,More Than 300 Hours of Standby Time,Temperature and H
$52.95 Save $6.05 RRP: $59.00
Electrochemical NH3 Ammonia Gas Sensor SC05-NH3
$36.95 Save $22.05 RRP: $59.00
Refrigerant Leak Detector for - UT336A
$119.00 Save $70.00 RRP: $189.00
4X Oxygen Sensor AO-02 Gas Detector Compatible with AO2 AA428-210 AO2PTB-18.10 unbrand
$119.00 Save $80.00 RRP: $199.00
Refrigerant & Combustible Gas-Leak Detector, PPM Freon Leak Detector
$52.95 Save $31.05 RRP: $84.00
Refrigeration Leak Detector
$43.95 Save $25.05 RRP: $69.00
Total Smart WiFi Air Quality Sensor Black
$30.95 Save $18.00 RRP: $48.95
PM2.5 Air Quality Detection Sensor
$38.95 Save $25.05 RRP: $64.00
Air Quality Monitor, CO2 Detector, 5 in 1 CO2 TVOC HCHO Temperature Humidity Detector LCD Display Air Quality Tester
$42.95 Save $21.05 RRP: $64.00
Multifunctional Air Detectors, Pollen/co/co2/tvoc/pm2.5/pm1.0/humidity/temperature Carbon Monoxide
$259.00 Save $390.00 RRP: $649.00
Portable Co2 Mon Indoor Gas Sensor Meter Detector
$159.00 Save $230.00 RRP: $389.00
Geiger Counter Nuclear Radiation Detector - Detector Y X-ray Detection Portable Radiation Dosimet
$119.00 Save $60.00 RRP: $179.00
Combustible Gas Detector Gas Tester Vibrating Light Detector Gas Meter
$89.00 Save $40.00 RRP: $129.00
Naiwang Portable Air Quality Detector Digital Temperature Humidity Sensor Tester Co2 Carbon Dioxide Tvoc Formaldehyde Hcho Detector
$139.00 Save $70.00 RRP: $209.00
2022 Air Quality Monitor Sensor HCHO/TVOC/AQI/CO/CO2 Multifunctional Air Gas Detector
$94.00 Save $35.00 RRP: $129.00
Dm72d Portable Air Quality Analyzer Digital Screen Co2 Pm2.5 Temperature Humidity Detector Monitor Infrared Ndir Detector
$799.00
3-in-1 Air Quality Detector, Carbon Monoxide Temperature Humidity Detector, Indoor CO Alarm Detecto
$35.95 Save $38.05 RRP: $74.00
Handheld Combustible Gases Leak Detector Natural Gases Leakage Concentration Analyzer Meter Sound L
$36.95 Save $47.05 RRP: $84.00
ENS160+AHT21 CARBON Dioxide CO2 ECO2 TVOC Air Quality and Temperature and Humidity Sensor Replace C
$12.95 Save $38.00 RRP: $50.95
AS8800L Gas Detector Protable Mini Combustible Gas Leakage Location Determine Tester with Sound an
$31.95 Save $42.05 RRP: $74.00
Tuya Smart WiFi Data Storage Oxygen Concentration Air Detector Outdoor Camping Carbon Monoxide Temp
$139.00 Save $60.00 RRP: $199.00
Formaldehyde Monitor Carbon Dioxide Detector TVOC Detector Temperature and Humidity CO 2 Air Qualit
$18.95 Save $45.05 RRP: $64.00
Tuya Smart WiFi Data Storage Oxygen Concentration Air Detector Outdoor Camping Carbon Monoxide Temp
$139.00 Save $60.00 RRP: $199.00