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Shop the best prices on 7,538 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, GreenZech, Other and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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737 - 768 of 7,538
Refrigerant & Combustible Gas-Leak Detector, PPM Freon Leak Detector
$44.95 Save $9.05 RRP: $54.00
Ht609 Natural Gas Leak Detector Combustible Gas Detector Methane Liquefied Gas Leak Alarm Detect Combustible Gases Qin
$64.00 Save $30.00 RRP: $94.00
Portable Radon Detector Digital Domestic Radon Monitor Gas Monitoring Instrument Highly Sensitive N
$159.00 Save $30.00 RRP: $189.00
Tuya Wifi Air Quality Monitor CO2 Detector Formaldehyde VOC CO2 CH2O Temperature Humidity Detector
$29.95 Save $3.00 RRP: $32.95
Tuya WiFi 15-in-1 Air Quality Detector Household Portable PM0.3 PM1.0 PM2.5 PM10 CO CO2 Tester with
$41.95 Save $57.05 RRP: $99.00
MQ137 Ammonia Gas Detection Sensor Module NH3 Gas Sensor Module Household Appliance Accessories Ana
$29.95 Save $4.00 RRP: $33.95
Portable Gas Leak Detector, High Sensitivity Natural Gas Sniffer with Colorful LCD Display, ble & Visual Alarm, Locates LPG, LNG, Methane, Butane
$64.00 Save $45.00 RRP: $109.00
Co2 Air Detector Carbon Dioxide Detector Agricultural Production Greenhouse Co2 Monitor White-yuyu
$45.95 Save $23.05 RRP: $69.00
Portable Propane Methane and Natural Gas Leak Detector Combustible Gas Tester Meter Sniffer with Sound Light Alarm Sensitive Adjustable
$54.00 Save $5.00 RRP: $59.00
Refrigeration Leak Detector Air Conditioning Refrigerant Fluorine Detection Dog Nose Car Fridge Le
$44.95 Save $14.05 RRP: $59.00
Portable Continuous Quantitative Analysis Ammonia Gas Hold 9000B Detector 0-100ppm Rechargeable wit
$369.00 Save $80.00 RRP: $449.00
Oxygen Analyzer Professional Portable O2 Oxygen Concentration Meter Detector 21%-95.6% O2 Meter Gas
$169.00 Save $40.00 RRP: $209.00
PH Probe Sensor Waterproof Accurate Measurement Quick Response PH Electrode for Q9 BNC Plugs 1.2m
$37.95 Save $16.05 RRP: $54.00
Dm72d Portable Air Quality Analyzer Digital Screen Co2 Pm2.5 Temperature Humidity Detector Monitor Infrared Ndir Detector
$799.00
MQ138 Formaldehyde Gas Detection Sensor Formaldehyde Sensor Module Gas Sensor High Sensitivity 4.5-
$29.95 Save $11.00 RRP: $40.95
Handheld Portable Gas-Leak Detector with Audible Visual Alarm Alarm Combustible Gas-Leak Detector
$26.95 Save $27.05 RRP: $54.00
Air Detector Pm2.5 Pm10 Co2 Formaldehyde Temperature Detector Multifunctional
$46.95
Refrigerant Leak Detector HVAC Checker for Halogen R134a R410a R22a Air Condition
$49.95 Save $14.05 RRP: $64.00
MOES Bluetooth Tuya Smart Carbon Dioxide Meter
$64.00
Portable Air Quality Monitor CO2 CO PM2.5 HCHO TVOC Temperature Humidity Monitor Home Digital Air Quality Detector Multifunctional Formaldehyde
$239.00 Save $10.00 RRP: $249.00
Jadeshay Air Ion Tester 1 PCS Mini Car Air Ion Tester Meter Counter for Negative Air Ion Generator KHPS2
$119.00 Save $20.00 RRP: $139.00
DR850 Portable Multi Gas Detector IP65 Waterproof Gas Leak Meter
$189.00
PT02 Plus WiFi Air Quality Monitor Detects Pollen TVOC CO CO2 PM2.5 1.0 Temp RH IoT Controller RS48
$189.00
Air Dust Particle Counter Sensor Monitor PM2.5/10 Temperature Humidity Meter Air Quality Dust Conce
$299.00 Save $30.00 RRP: $329.00
4-in-1 Gas Detector with Sensors for Carbon Monoxide Oxygen and Gases Portable Harmful Alarms for S
$209.00
Tuya CO2 Dioxide Detector WIFI CO2 Monitor Meter Co2 Sensor Indoor Agricultural Greenhouse Air Humiture Sensor Monitor
$79.00
Portable 4 Gas Detector, Sound Light Vibration Rechargeable Lcd Screen unbrand
$429.00 Save $245.00 RRP: $674.00
Tuya Zigbee Mon Co2 Meter Dioxide Detector Voc Auto Alarm
$59.00
Testo 316-2 Gas Leak Detector 0632 3162 For Methane,propane And Hydrogen
$1,549.00
Mini CO2 Detector,Air Quality Monitor, Infrared CO2 Monitor for Travel Home Indoor,You Can Use Anywh
$79.00 Save $130.00 RRP: $209.00
Formaldehyde Detector Air Quality Monitor Pm 2.5 Portable Display Air Pollutants Family Decoration Co2 Meter Analyzer
$159.00
5-In-1 Air Quality Monitor Home Air Quality Detector Pollution Tester Co/co2/hcho/aqi/tvoc Carbon Monoxide Sensor Co2 Meter
$219.00