HiTauing Aquarium Heater, 50W/100W/200W/300W/500W Submersible Fish Tank Heater with Over-Temperature Protection and Automatic Power-Off When Leaving Water for Saltwater and Freshwater is up for auction in Pet Supplies. The current bid is $2.50, 93% below the $37.99 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.