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Shop the best prices on 7,541 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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7,329 - 7,360 of 7,541
Sw-763a Oxygen Detector Portable Oxygen Detector
$289.00
Digital Display Combustible Gas Detector Flexible Probe LCD Backlit Gas Leakage Detector 0‑10000ppm
$79.00 Save $30.00 RRP: $109.00
517A Gas Analyzer Air Quality Detector CO CO2 HCHO AQI TVOC Meter Formaldehyde Sensor
$94.00 Save $35.00 RRP: $129.00
Gd-3300 Propane Methane Natural Gas Leak Detector With 16-inch Gooseneck Combustible Gas Sniff Adjustable Tick Rate Visible
$239.00
Carbon Dioxide Sensor Module CO2 Temperature Humidity Monitor Detection 50ppm Accuracy
$69.00 Save $25.00 RRP: $94.00
4 Gas Monitor,4 Gas Detector for H2S,CO, and O2,Adopt High-Precision ADC Acquisition Chip and 32-Bi
$229.00
Tuya WiFi 15in1 Air Quality Detector Household Portable PM0.3 PM1.0 PM2.5 PM10 CO CO2 TVOC HCHO Tes
$89.00 Save $60.00 RRP: $149.00
HLD100 Halogen Leak Detectors Analyzers With Metal Probe, Refrigerant Leakage Detection, Adjustable Sensitivity Tool
$149.00 Save $80.00 RRP: $229.00
Tuya WIFI Air Quality Monitor 5 in 1 Formaldehyde VOC CO2 Temperature Humidity Detector Sensor Suppo
$24.95 Save $22.00 RRP: $46.95
2X Multi Gas Detector Gas Meter O2 H2S CO LEL 4 in 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combust
$269.00 Save $170.00 RRP: $439.00
Gas Leak Detector Natural Gas Detector with Audible and Visual Alarm Portable Gas Sniffer for Locati
$169.00 Save $200.00 RRP: $369.00
Combustible Gas Detector, Combustible Gas Alarm, Temperature And Humidity Detector, Household Air Q
$109.00 Save $80.00 RRP: $189.00
Uadme CO2 Detector, Carbon Dioxide Detector 3 in 1 Indoor Air Quality Monitor Portable CO2 Monitor Tester for CO2 Temperature and Humidity, Color
$119.00 Save $20.00 RRP: $139.00
PT02 Plus WiFi Air Quality Monitor Detects Pollen TVOC CO CO2 PM2.5 1.0 Temp RH IoT Controller RS48
$229.00 Save $30.00 RRP: $259.00
Air Quality Detector HCHO TVOC PM2.5 PM10 Portable Indoor Air Quality Tester for Home Automobile Tent Travel 5V
$89.00 Save $60.00 RRP: $149.00
Qukaim CO2 Sensor Module Carbon Dioxide Sensor Module, CO2 Temperature Humidity Monitor, 50ppm Accuracy, Detection Module for Environmental
$69.00 Save $20.00 RRP: $89.00
2025 Latest Model Carbon Dioxide Detector CO2 Detector Carbon Dioxide Concentration Three-in-One
$74.00 Save $55.00 RRP: $129.00
AGc30 Smart CO2 Controller Dual Channel NDIR CO2 Sensor Day Night Carbon Dioxide Detector for Green
$289.00 Save $60.00 RRP: $349.00
Wall Hang Mounted Co2 Meter Detector Monitor Carbon Dioxide Tester Gas Analyzer Air Quality Japan Chile Australia unbrand
$219.00 Save $120.00 RRP: $339.00
Indoor Air Quality Monitor Tuya App WiFi Formaldehyde Detector CO2 PM2.5 PM10 TVOC Tester Type-C Rechargeable Household Professional Detector Temperat
$229.00 Save $70.00 RRP: $299.00
Handheld Oxygen Concentration Detector Temperature and Humidity
$109.00 Save $70.00 RRP: $179.00
Pth-5 Intelligent Co2 Detector Air Quality Detector Home Temperature And Humidity Meter unbrand
$269.00 Save $140.00 RRP: $409.00
15 in 1 Carbon Dioxide Detector PM Formaldehyde Detector Tvoc Detector Temperature and Humidity Ref: 2322
$129.00 Save $70.00 RRP: $199.00
Stainless Steel Fob Detector Foam On Beer Detector Beer Foam Detection Equipment Accessories
$189.00
At8800l Portable Combustible Gas And Natural Gas Leakage Detector Fuel Leakage Tester
$149.00
Mq138 Formaldehyde Sensor Module Gas Detection Sensor Module -138 Aldehydes And Ketones Alcohols Ga
$79.00 Save $20.00 RRP: $99.00
803 Blue Digital Display Oxygen Gas Leak Detector 10~+50℃
$169.00 Save $20.00 RRP: $189.00
Safety Gas Detector O2 CO H2S EX 4 in 1 Poisonous Hydrogen Monitor Waterproof 100240VUS Plug
$229.00 Save $150.00 RRP: $379.00
Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Gas Leak Detector
$129.00 Save $90.00 RRP: $219.00
Water Quality Tester PH Meter, Digital Water PH Tester Liquid PH Meter Water Quality Test Meter for Drinking Water Hydroponics Swimming Pool
$74.00 Save $15.00 RRP: $89.00
BENETECH Gas Detector Combustible Gas Carbon Monoxide Alarm LCD High Accuracy Sound Light Alarm CO Monitor
$169.00 Save $50.00 RRP: $219.00
Intelligent Digital LCD Formaldehyde Detector Protable Home Air Quality Meter Carbon Dioxide Detector Gas Analyzer
$94.00 Save $35.00 RRP: $129.00