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Shop the best prices on 7,782 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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3,041 - 3,072 of 7,782
Formaldehyde Detector for Household Professional Self-Test Indoor Air Quality Testing Formaldehyde
$15.95 Save $38.05 RRP: $54.00
Portable Leak Analyzers Leakage Tester For HVAC Systems And Automotive Leakage Detector With Long Probe
$179.00 Save $90.00 RRP: $269.00
Leak Detectors HLD-100+ Halogen Leakage Analyzers for HVAC Systems, Refrigerants, Air Conditioners
$159.00 Save $80.00 RRP: $239.00
Refrigerants Leak Tester With 20cm Probes Auto Calibration For Chlorine And Fluorine Detection Fast Response
$169.00 Save $80.00 RRP: $249.00
PTH-10DH Carbon Monoxide Detector CO Air Quality Portable Horizon Monitor HD LED Screen USB Charging for Indoor Travel
$69.00 Save $15.00 RRP: $84.00
Tuya WiFi 15in1 Air Quality Detector Household Portable PM0.3 PM1.0 PM2.5 PM10 CO CO2 TVOC HCHO Tester Black
$89.00 Save $30.00 RRP: $119.00
Tuya WiFi 15in1 Air Quality Detector Household Portable PM0.3 PM1.0 PM2.5 PM10 CO CO2 TVOC HCHO Tester White
$84.00 Save $25.00 RRP: $109.00
USB Charging Carbon Dioxide Air Quality Detector Temperature Humidity Environment Monitor CO2 Gas Concentration NDIR
$59.00 Save $20.00 RRP: $79.00
PM2.5 Air Quality Module (PMSA003) Ambient Air Quality Testing Module DC5V Power Supply M5Core Pedestal
$89.00 Save $30.00 RRP: $119.00
SCD40 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature and Humidity 2 in 1 Sensor
$40.95 Save $28.05 RRP: $69.00
Zigbee Tuya 3.0 Air Quality Monitor Air Housekeeper 5 in 1 Formaldehyde VOC Co2 Temperature Humidit
$59.00 Save $60.00 RRP: $119.00
Carbon Dioxide Detector Indoor CO2 Air Quality Monitor Temperature Relative Humidity Meter with Alarm for Travel
$84.00 Save $25.00 RRP: $109.00
Propane Gas Detector,Digital RV Propane Gas Detector, Using DC 12V, 85dB Loud Alarm, Suitable for Homes and RVs
$35.95
Portable Carbon Dioxide Detector Useful CO2 Meter Air Quality Monitor with Storage Case
$179.00 Save $50.00 RRP: $229.00
MT03 Air Quality Monitor with Stand CO2 Temperature Humidity Tester CO2 Detector Carbon Dioxide Det
$22.95 Save $4.00 RRP: $26.95
Air Quality Meters Handheld Portable Gas Leak Detector Mini PPM Meter 1000PPM Flammable Natural Gas Analyzer Pen Type
$79.00 Save $40.00 RRP: $119.00
Luftqualitätsmonitor - Präziser Kohlendioxid Luftdetektor Für Growzelte Und Schlafzimmer, Kompaktes Sicherheitsmessgerät
$54.00 Save $25.00 RRP: $79.00
Luftqualitätsmessgerät Für Zuhause - Tragbarer Präziser Luftdetektor Mit Klarer Anzeige Für Schlafzimmerüberwachung
$69.00 Save $35.00 RRP: $104.00
Luftqualitätsmessgerät für Kohlendioxid - Tragbarer Luftdetektor Tester mit Klarer Anzeige für Zuhause, Schlafzimmer und Growzelte
$40.95 Save $23.05 RRP: $64.00
Air Quality Monitor for Home - Portable Air Detector with LCD Display for Bedroom, Grow Tents and Safety Checks
$54.00 Save $25.00 RRP: $79.00
Indoor Air Quality Monitor, Portable CO2 Detector with Clear Display - Accurate Safety Measurement for Grow Tents and Bedrooms
$54.00 Save $25.00 RRP: $79.00
Carburettor Pressure Gauge Leak Detector Kit with Dosing Lever Adjustment Tool for Automotive Carburettor Testing
$129.00 Save $70.00 RRP: $199.00
Air Quality Monitor | Portable CO2 Detector with Clear Display for Home, Bedroom, and Grow Tent Use
$54.00 Save $25.00 RRP: $79.00
Luftqualitätsmessgerät Für Zuhause | Tragbarer Kohlendioxid-Monitor Mit Klarer Anzeige Für Schlafzimmerüberwachung Und Sicherheit
$54.00 Save $25.00 RRP: $79.00
Air Quality Meters Ht601a Portable Gas Leak Detector with LED Flammable Gas Alarm and Analyzer for Accurate Measurement
$129.00 Save $70.00 RRP: $199.00
Air Quality Monitor Handheld Portable Gas Leak Detector Mini PPM Meter HT61 Flammable Natural Gas Analyzer 1000PPM
$89.00 Save $50.00 RRP: $139.00
8in1 Air Quality Detector CO2 PM2.5 PM10 HCHO Temperature Humidity Portable Air Quality Meter for Indoor
$139.00 Save $70.00 RRP: $209.00
Portable Air Quality Monitors with CO2, Temperature, and Humidity Detection for Home and Office Use, Black
$64.00 Save $30.00 RRP: $94.00
Air Quality Monitor Digital Formaldehyde Detector Portable PM2.5 PM10 TVOC Sensor Indoor Air Quality Tester
$139.00 Save $60.00 RRP: $199.00
Air Quality Meter for Home - Portable CO2 Detector with Clear Display, Ideal for Grow Tents and Bedrooms
$54.00 Save $25.00 RRP: $79.00
Gas Leak Detector Natural Gas Detectors Combustible Gas Detector
$54.00 Save $10.00 RRP: $64.00
Digital Natural Gas Detector, Home Gas Alarm, Gas Leak Detector, High Sensitivity LPG, LNG, Natural Coal Leak Detection, Alarm Monitor for Home/Kitche
$42.95 Save $26.05 RRP: $69.00