Aquasana Shower Filter for Shower Head - Reduces Over 90% of Chlorine from Hard Water - Carbon & KDF Filtration Media - Soften Skin & Hair - For Use with Existing Shower Head - AQ-4100NSH Max Flow (2.5 GPM) Filter w/ No Shower Head is up for auction in Home & Kitchen. The current bid is $11.06, 84% below the $69.99 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.