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UEi CD200 Handheld Combustible Gas Leak Detector, Deluxe Natural Gas Propane Methane Gas Sniffer, LPG Handheld Gas Detector with 18in Gooseneck and Audible and Visual Alarms - Carbon Monoxide Detectors - Amazon.com
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UEi Test Instruments CD100A Combustible Gas Leak Detector - Automotive Fuel Leak Detectors - Amazon.com
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