F2 Hard Water Solution Shower Filter - 2.5GPM High-Flow, 99.99% Chlorine/Fluoride/Toxic Chemicals/Heavy Metals Removal, Water Softener Shower Head Filter, Reduces Dry Skin & Frizzy Hair is up for auction in Tools & Home Improvement. The current bid is $2.50, 85% below the $16.49 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.