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$200 to $500 Gas Detectors

Shop the best prices on 4,297 great value $200 to $500 gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, Generic1, Air Quality Meters and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to New Zealand.

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1 - 32 of 4,297
O3 Ozone Meter Ozone Analyzer Air Detector Intelligent Sensor Ozone Counter Air Quality Pollution Monitor(,)
$409.00
Handheld Portable 0-100PPM Ammonia Meter H2S/O3/CO/CO2/H2S/O2/NO2/NO/EX/NH4 Gas Detectors with Sound and Light Alarm Multicolor
$249.00
Multi Gas Detector Gas Meter O2 H2S CO LEL 4 in 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Gas Leak Detector
$249.00 Save $500.00 RRP: $749.00
Carbon Dioxide Detector with Rechargeable Battery Portable CO2 Meter Tester for Carbon Dioxide Air Quality Detector CO2 Meter Monitor with Storage Cas
$279.00 Save $240.00 RRP: $519.00
Ammonia Gas Detectors NH3 Gas Analyzers Meter Alarm Device Digital Gas Leak Detectors 0-100PPM
$259.00 Save $60.00 RRP: $319.00
Ammonia Test Meter NH3 Concentration Tester Portable Ammonia Gas Detector with Alarm and LCD Display
$249.00 Save $130.00 RRP: $379.00
Fixed O2 Gas Detector 0 - 30% Vol Remote Leak Alarm Monitor New for Oxygen Safety
$469.00 Save $105.00 RRP: $574.00
Portable 4 Gas Detector, Sound Light Vibration Rechargeable Lcd Screen
$279.00 Save $210.00 RRP: $489.00
Ultrasonic Leak Detector & Transmitter Finder 40khz Air Gas Water Dust Leak Pressure Headphone Gas Liquid Leakage Monitor Accessory Kit-B7
$309.00 Save $315.00 RRP: $624.00
Oxygen Detector Meter Monitor High Accuracy Handheld Portable Concentration Measurement for Home O2 Gas
$279.00 Save $160.00 RRP: $439.00
Ammonia Test Meter NH3 Concentration Tester Ammonia Gas Detector Ammonia Alarm Device
$249.00 Save $170.00 RRP: $419.00
4-in-1 Multi Gas Detector: O2, H2S, CO, LEL - Combustible Gas & Toxic Gas Leak Detector
$249.00 Save $140.00 RRP: $389.00
Co2 Detector, 400 To 5000 Ppm Home Co2 Sensor, 3 In 1 Co2 Detector Meter, Air Quality Monitor With Self-calibration Function For
$199.00 Save $290.00 RRP: $489.00
5v 1200mah Co2 Tester Hdo5 Air Quality Detector Electricity Temperature Humidity Display Black
$259.00 Save $390.00 RRP: $649.00
Gas monitor for O2 H2S CO and combustible gases
$279.00
4-in-1 Gas Detector, Toxic and Hazardous Gas Tester Portable Combustible Gas Detector and Alarm
$229.00 Save $130.00 RRP: $359.00
Portable Ammonia Gas Detector,0-200 PPM Rechargeable Ammonia Gas Monitor,Digital Air Quality NH3 Gas Meter US Plug
$319.00 Save $180.00 RRP: $499.00
Handheld Manometer with 11 Units Digital Air Pressure Meter & Differential Pressure Gauge HVAC Gas Pressure Tester
$299.00
Portable Radon Detector, Audible & Visual Alarm, Long-Term Radon Concentration Monitoring for Home Basement, PCi/L
$299.00 Save $60.00 RRP: $359.00
O3 Ozone Meter Ozone Analyzer Air Detector Intelligent Sensor Ozone Counter Air Quality Pollution Monitor(,) Cs fast
$449.00 Save $225.00 RRP: $674.00
O3 Ozone Meter Ozone Analyzer Air Detector Intelligent Sensor Ozone Counter Air Quality Pollution Monitor
$289.00 Save $30.00 RRP: $319.00
Gas Detector Gas Meter, Portable Industrial Gas Leak Detector for LPG, CH4, Natural Gas, Freon, Home Office Use
$419.00 Save $205.00 RRP: $624.00
4 Gas Monitor,4 Gas Detector for H2S,CO,LEL and O2, A
$359.00 Save $20.00 RRP: $379.00
LD600 Freon Leak Detector Combustible Gas Detector with 16-Inch Probe
$209.00 Save $10.00 RRP: $219.00
4-in-1 Gas Detector with Sensors Portable Harmful Alarms for Safety
$479.00 Save $20.00 RRP: $499.00
Multi Gas Detector Gas Meter O2 H2S CO 4 in 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Gas Leak Detector
$309.00 Save $70.00 RRP: $379.00
Ammonia Test Meter NH3 Concentration Tester Ammonia Gas Detector Ammonia Alarm Device
$289.00 Save $200.00 RRP: $489.00
Mini Radon Air Quality Monitor Temperature Humidity Data Adjustment Radon Sensor Monitor Indoor Radon Gas Detector
$279.00 Save $120.00 RRP: $399.00
Portable Industry Gas Detectors Digital Portable Ethylene H2S/O3/CO/CO2/H2S/O2/NO2/NO/EX/NH4 Gas Detectors Meter
$259.00
Home Radiation Detector Electromagnetic Wave Measuring Instrument Electromagnetic Field Mobile Phone Radiation Monitor
$209.00 Save $120.00 RRP: $329.00
Multi Gas Detector Gas Meter O2 H2s Co 4 In 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Gas Leak Detector
$419.00 Save $255.00 RRP: $674.00
Multi Gas Detector Gas Meter O2 H2s Co 4 In 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Gas Leak Detector
$359.00 Save $215.00 RRP: $574.00