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Shop the best prices on 8,041 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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2,017 - 2,048 of 3,200
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature D
$99.00 Save $5.00 RRP: $104.00
5 in 1 Air Quality Monitor, USB Rechargeable CO2 Detector White
$79.00 Save $5.00 RRP: $84.00
MT03 Air Quality Monitor with Stand CO2 Temperature Humidity Tester CO2 Detector Carbon Dioxide Detector White
$22.95 Save $2.00 RRP: $24.95
DR850 4 in 1 Portable Multi Gas Detector IP65 Waterproof Gas Leak Meter for O2 / CO / H2S / COMB
$189.00 Save $60.00 RRP: $249.00
Temperature Humidity Meter Air Quality Dust Concentration Detector
$319.00 Save $110.00 RRP: $429.00
Tuya Smart WiFi Oxygen Concentration Air Detector C
$119.00 Save $40.00 RRP: $159.00
SGP40 VOC Sensor Module Dual Gas Environment Detection Industrial Wide Temperature Range STEMMA QT/Q
$17.95 Save $8.00 RRP: $25.95
Tuya WiFi Smart Air Box Detector Air Quality Monitor Air Housekeeper Detects PM2.5, Formaldehyde, V
$54.00 Save $10.00 RRP: $64.00
SCD41 Gas Sensor Module Detects CO2 Carbon Dioxide Temperature A
$36.95 Save $10.00 RRP: $46.95
Portable Handheld Radiation Dose Meter High Accuracy X-rays Radiation Monitors for Home Outdoor Inspections
$159.00 Save $10.00 RRP: $169.00
St9700 Handheld Carbon Monoxide Meter Co Gas Tester Air Quality Monitor Detector Gauge
$179.00
Leak Detector High Sensitivity R22 R32 R134a Refrigerant HVAC Air Conditioner Freon Gas Leak Temp T
$46.95 Save $27.05 RRP: $74.00
High Accuracy Carbon Dioxide Sensor CO2 Transmitter 400-5000PPm for Agricultural Greenhouse120-4~20mA Current Output
$84.00 Save $55.00 RRP: $139.00
Mini Combustible Gas Detector Methane Natural Gas Leak Tester Sensor for Home HT66
$36.95 Save $11.00 RRP: $47.95
Portable Gas Leak Detector, High Sensitivity Natural Gas Sniffer With Colorful Lcd Display, Audible Visual Alarm, Locates Lpg, Lng, Methane, Butane
$59.00
Gas Monitor 4 in 1 CO H2S O2 LEL Accurate Measurement Sound Light Vibration Alarm Backlit Display Gas Detector Accurate Measurement
$169.00 Save $20.00 RRP: $189.00
-z19c Ir Infrared Co2 Sensor Module Carbon Dioxide Sensor Ndir For Co2 Monitor 400-5000ppm Uart Pwm
$59.00 Save $35.00 RRP: $94.00
6 In 1 Pm2.5 Pm10 Hcho Tvoc Co Co2 Air Quality Detector Co Co2 Formaldehyde Monitor Home Office Air Quality Tester,white
$51.95 Save $32.05 RRP: $84.00
Co2 Air Detector 3-in-1 Indoor Co2 Detector Air Quality Monitor Detects Co2 Home Office Light-and-sound Dual Alarm
$119.00 Save $50.00 RRP: $169.00
Natural Gas Co Gas Leak Detector Carbon Monoxide Combustible Gas Detector Alarm Determine Tester Eu
$51.95 Save $32.05 RRP: $84.00
4-in-1 Multi Gas Detector: O2, H2S, CO, LEL - Combustible Gas & Toxic Gas Leak Detector
$269.00 Save $605.00 RRP: $874.00
4-in-1 Multi Gas Detector: O2, H2S, CO, LEL - Combustible Gas & Toxic Gas Leak Detector
$269.00 Save $530.00 RRP: $799.00
Refrigerant Leak Detector 0-1000PPM Air Conditioning HVAC Refrigerant Leak Detector HCFC HFO Tester
$54.00 Save $15.00 RRP: $69.00
AC Sniffer With Light And Alarm 01000 PPM HVAC Leak Detector For CFCs HCFCs Zl77a
$169.00 Save $90.00 RRP: $259.00
Gas Detector, LPG/Natural Gas/Coal Gas Leak Detector, Plug-in Sensor Monitor with Audible Alarm and LED Digital Display, Combustible Methane, Propane
$38.95 Save $130.05 RRP: $169.00
12 in 1 Air Quality Monitor CO2 Monitor with Time/ Date Display WIFI PM2.5 PM10 CO CO2 TVOC HCHO Tester,White
$69.00 Save $5.00 RRP: $74.00
Tuya WiFi 15 in 1 Air Quality Detector Household Portable PM0.3 PM1.0 PM2.5 PM10 CO CO2 TVOC HCHO Tester WithMount,B
$74.00 Save $5.00 RRP: $79.00
5 in 1 Air Quality Monitor TVOC HCHO Temperature Humidity CO2 Meter, USB Rechargeable CO2 Detector Black
$21.95 Save $19.00 RRP: $40.95
BSIDE G2 Air Quality Detector Formaldehyde HCHO TVOC Rechargeable Portable Auto Sound Light Alarm LC
$22.95 Save $15.00 RRP: $37.95
-6000 Freon Leak Detector Refrigerant Gas HVAC R22 R410A Detector
$30.95 Save $15.00 RRP: $45.95
MH-Z19 MH-Z19E IR Infrared CO2 Sensor Module for CO2 Monitor (A)
$25.95 Save $12.00 RRP: $37.95
9821121180 Nox Sensor for Nitrogen Oxide Sensor
$129.00 Save $80.00 RRP: $209.00