similar item TOPTES PT199 Natural Gas Leak Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Sources Like Methane, Propane for Home(Includes Battery x2)-Orange 199 Orange is up for auction in Tools & Home Improvement. The current bid is $5.00, 78% below the $22.99 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.