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MQ-2: for combustible gas, detection concentration: 300-1000ppm. Detection concentration: 300-1000ppm(combustible gas). It is not subject to ethanol vapor, soot, carbon monoxide and other gases interference.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.