Best sellers, best gas Detectors
We also think that you deserve the best. That’s why on this page, we ranked gas Detectors from the most sold to the least sold. You have 66 products to choose from. Customers have the most interest in Bentech Gasman LCD standalone fire alarm and gas leak detector, which you can buy for 20.46 € incl. VAT. If you’re intrested in gas Detectors in terms of the highest reviews, then look at the gas Detectors reviews and tests category.
All from 66
Sponsored
Bentech Gasman LCD standalone fire alarm and gas leak detector
20.46 €
In stock > 10 pcs at the supplier's
Gas Leak Detector - detects natural gas, propane-butane, mains power supply, detection reach 30 m, reaction time 20 s, acoustic signals, battery indication, features alarm, cover...
Sponsored
Bentech C999 Carbon Monoxide Autonomous Fire Detector
14.57 €
In stock > 10 pcs at the supplier's
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, signal volume 85 dB, battery indication, features alarm, cover material plastic, operating...
Solight CO flue gas detector, 85 dB
Great price
15.44 €
Save 1.46 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Detector - detects CO (carbon monoxide), measurement range from 50 ppm, gas detection sensitivity 50 ppm, battery-powered, acoustic, visual signals, signal volume 85 dB, battery...
Combined Detector of CO, Flammable and Explosive Gases SAFE 808COM
50.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), natural gas, propane-butane, measurement range to 2500 ppm, mains power supply, reaction time 20 s, acoustic, visual signals,...
Elektrobock LM218A
26.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
- detects CO (carbon monoxide), measurement range from 10 to 550 ppm, battery-powered, acoustic signals, signal volume 85 dB, display, features test button and alarm, cover...
Airbi CO2AIR digital carbon dioxide meter
81.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Detector - CO₂ (carbon dioxide) detection, measurement range from 400 to 2400 ppm, mains + battery power, reaction time 6 s, display, independently functional unit
Combined Fire Detector and CO FireAngel SCB10
47.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), smoke, battery-powered, acoustic signals, battery indication, features alarm, cover material plastic, battery and mounting kit...
Kidde 10LLDCO CO Detector (Moisture Resistant)
62.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), signal volume 85 dB, standalone unit
Multifunctional digital CO detector FireAngel FA3322 with LCD display
57.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, signal volume 85 dB, battery indication, features alarm, cover material plastic, operating...
Kidde 5DCO carbon monoxide leak detector
33.90 €
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), signal volume 85 dB, standalone unit
Airthings Wave Enhance
155.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Air Quality Meter - detects temperature, humidity, air pressure, TVOC (volatile organic compounds), CO₂ (carbon dioxide), noise, battery-powered, visual signals, notifications via...
EVOLVEO Defender D5
Discounted -16 %
25.11 €
29.90 €
On the way 1 pcs
Expected 27/09/2026
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic, visual signals, signal volume 85 dB, battery indication and display, features test button and...
Kidde 7DCO CO Detector with Alarm (Gas Leak Sensor)
46.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), signal volume 85 dB, standalone unit
Honeywell R200C-2, Carbon monoxide detector and detector, CO Alarm
45.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), smoke, measurement range from 3 to 330 ppm, gas detection sensitivity 28 ppm, battery-powered, acoustic signals, signal volume 85...
MOES Mini CO Detector, grey
41.90 €
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - measurement range from 0 to 1000 ppm, deviation 100 ppm, reaction time 2 s, acoustic signals, battery indication and display, features alarm, cover material...
X-Sense XC0C-iR Wi-Fi CO Detector
33.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), measurement range from 30 to 999 ppm, battery-powered, reaction time 1 s, acoustic, visual signals, notifications via push...
BOT Smart gas detector WiFi GS4
30.43 €
In stock > 5 pcs at the supplier's
Gas Leak Detector - mains power supply, detection reach 20 m, acoustic signals, notifications via push notifications, signal volume 90 dB, display, features alarm, cover material...
BOT Smart carbon dioxide detector WiFi CO2
60.07 €
In stock > 5 pcs at the supplier's
Air Quality Meter - detects temperature, humidity, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, mains power supply, acoustic, visual signals, notifications via...
Honeywell Home R200C-N2, Connected Carbon Monoxide Detector and Detector, CO Alarm
Great price
58.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), smoke, measurement range from 3 to 330 ppm, gas detection sensitivity 28 ppm, battery-powered, detection reach 100 m, acoustic...
KIDDE Combination smoke detector KIDDE-K10SCO
Discounted -17 %
43.90 €
52.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - detects CO (carbon monoxide), measurement range from 0 ppm, battery-powered , acoustic signals, signal volume 85 dB, battery indication, cover material plastic,...
iQtech SmartLife CS01W Combo CO + Smoke Detector, Wi-Fi
41.72 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - detects gas, measurement range from 50 to 300 ppm, battery-powered , acoustic signals, signal volume 85 dB, cover material plastic, compatible with Tuya,...
GARNI 206 OneCare
98.06 €
In stock > 5 pcs at the supplier's
Air Quality Meter - detects temperature, humidity, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, temperature measurement from -9.9 to 50 °C with accuracy 1 °C,...
ERMENRICH Gas detector NG40 84092
91.80 €
In stock > 5 pcs at the supplier's
Gas Leak Detector - measurement range from 0 to 10000 ppm, battery power, acoustic, optical signalling, battery status indication and display, reset and alarm functions, operating...
QINGPING CO2 & Temperature & RH Monitor
83.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Add AlzaPlus+ and save instantly
67.12 €
Air Quality Meter - detects gas, temperature, humidity, measurement range from 400 to 9999 ppm, temperature measurement from -20 to 50 °C with accuracy 0.5 °C, humidity measurement...
No longer sold
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