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Shop the best prices on 27,016 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, Azrb7thy7, Elsavct and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to New Zealand.

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1,633 - 1,664 of 3,200
Portable Co2 Detector, Temperature Humidity Co2 Sensor With Ndir Sensor Technology, Accurate Air Quality Monitor For Customizable Co2 Thresholds
$119.00 Save $80.00 RRP: $199.00
Formaldehyde Gas Detector Flammable Toxic Detection Sensor Leakage Alarm DC5V~24V
$59.00 Save $35.00 RRP: $94.00
Carbon Monoxide Sensor NPN High Accuracy Sensitive CO Detector Quick Response Toxic Gas Leakage Sensor Alarm DC5‑24V
$59.00 Save $35.00 RRP: $94.00
9 in 1 Air Quality Monitor CO2 Meter Carbon Dioxide Detector CO2 CO TVOC HCHO PM2.5 PM1.0 PM10 Tempe
$109.00 Save $110.00 RRP: $219.00
Air Quality Monitor, Aiment 5 in 1 Multifunctional CO2 Detector Carbon Dioxide Monitor Accurate Tester Air Quality Detector
$64.00 Save $35.00 RRP: $99.00
Multifunctional Air Quality Monitor, Portable CO2 Detector with NDIR Sensor Technology, Real-Time Monitoring for Indoor Air Quality, Temperature,
$119.00 Save $70.00 RRP: $189.00
3-in-1 CO2 Detector, Thermohygrometer & Air Quality Analyzer
$34.95 Save $24.05 RRP: $59.00
NdIr Sensor Technology Carbon Dioxide Detector, Real Time Monitor Air Quality Monitor Portable Design for Home Office Schools 7X3.6X8.9 Cm
$32.95 Save $20.00 RRP: $52.95
Multi Gas Monitor 4 In 1 O2 Lel Co H2s Detector Rechargeable, Lcd Display With Backlight Alarm Function, Portable Gas Tester
$724.00 Save $300.00 RRP: $1,024.00
​WJL-6000-L Refrigerant Leak Detector for HVAC R22 R410A R1234YF Halogen Gas Freon Detection Professional Grade Tool​
$79.00 Save $25.00 RRP: $104.00
Co2 Air Detector Carbon Dioxide Detector Agricultural Production Greenhouse Co2 Monitor White
$21.95 Save $47.05 RRP: $69.00
Portable Ammonia Detectors Agricultural Chicken House Pig Farm Septic Odor H2S/O3/CO/CO2/H2S/O2/NO2 Ammonia Detectors Multicolor
$269.00
Co2 Air Detector Carbon Dioxide Detector Agricultural Production Greenhouse Co2 Monitor White
$21.95 Save $47.05 RRP: $69.00
SGP40 VOC Sensor,Digital SGP40 VOC (Volatile Organic Compounds) Gas Sensor, I2C Bus
$59.00 Save $45.00 RRP: $104.00
MT03 Air Quality Monitor with Stand CO2 Temperature Humidity Tester CO2 Detector Carbon Dioxide Dete
$39.95 Save $34.05 RRP: $74.00
6 In 1 Pm2.5 Pm10 Hcho Tvoc Co Co2 Multifunctional Air Quality Detector Co Carbon Dioxide Formaldehyde Monitor Lcd Large Screen Display Portable Home
$38.95 Save $40.05 RRP: $79.00
EMF Detector 5 Level Quick Response Magnetic Radiation Monitor ABS EMF Measuring Instrument
$34.95 Save $34.05 RRP: $69.00
CO2 Monitor Meter Sensor Indoor with Alarm, Air Quality Carbon Dioxide Monitor with 400-5000 PPM-NDIR CO2 Tester(White)
$47.95 Save $46.05 RRP: $94.00
-6000UV Halogen Leak Detector Freon Leak Detector R22 R410A R134A R1234YF Refrigerant Gas Air Conditioner Tester Tool
$64.00
Tuya Combustible Gas Detector Gas Alarm Digital Gas Detection Sensor Sound Alarm Smart Air Quality Detector,A
$45.95
CO2 Sensor 400-10000 Ppm Carbon Dioxide Air Quality Detection Infrared Gas Sensor Module -Z19E Low Power Consumption
$41.95
Wifi Natural Gas Sensor Combustible Household Smart Gas Alarm Detector Leakage Sensor Wifi Temperat
$47.95 Save $11.05 RRP: $59.00
GN807 Combustible Gas Detector Alarm Gas Test Tool
$52.95
Lcd Carbon Monoxide Co Detector Poisoning Gas Sensor Monitor Warning Alarm Set Shytmv-YKY416
$17.95 Save $9.00 RRP: $26.95
9 in 1 Air Quality Monitor CO2 Meter Carbon Dioxide Detector CO2 CO TVOC HCHO PM2.5 PM1.0 PM10 Tempe
$69.00 Save $40.00 RRP: $109.00
Multi Gas Detector Gas Meter O2 H2S CO 4 in 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustible G
$249.00 Save $130.00 RRP: $379.00
Rm370 Carbon Monox Detector
$119.00 Save $60.00 RRP: $179.00
Portable Gas Leakage Tester Gas Sniffer Leak Detector HVAC Air Conditioning Refrigeration System Detection Tool Multicolor
$179.00
Tuya WiFi 15 in 1 Air Quality Detector Household Portable AQI PM0.3 PM1.0 PM2.5 PM10 CO CO2 TVOC HCH
$64.00 Save $5.00 RRP: $69.00
Multi Gas Detector Gas Meter O2 H2S CO LEL 4 in 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustibl
$249.00 Save $240.00 RRP: $489.00
Tuya WIFI Combustible Gas Detector Gas Alarm Gas Detection Sensor,B
$42.95 Save $31.05 RRP: $74.00
9 In 1 Air Quality Monitor Co2 Meter Carbon Dioxide Detector Co2 Co Tvoc Hcho Pm2.5 Pm1.0 Pm10 Tempe
$79.00 Save $90.00 RRP: $169.00