emsiok propane tank heater blanket, 43.3 x 13.4" gas lp cylinder warmer heated insulated propane tank covers waterproof rv cylinder tanks heating wrap with temperature control 40?-158? fits 20,30,40 lb tanks 43.3 x 13.4" black is up for auction in Patio, Lawn & Garden. The current bid is $1.00, 98% below the $59.99 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.