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Natural Gas Coalgas Methane Propane Leak Detector Tester Measurer Home Safe

Description: Natural Gas Coalgas Methane Propane Leak Detector Tester Measurer Home Safe The new design gas leakage alarm fits for home and other places, it is a perfect item for protecting people from the danger of natural gas / coal gas / methane. The i

CO Carbon Monoxide Alarm Detector Home Safety Poisoning Gas Sensor Fireproof

Description: Gas detector main installation in kitchen, effectively prevent flammable gas leak endanger master life, the front end of sensors to detect when flammable gas internal voltage circuit can produce change, the change process can convert control