waterdrop rf15-uf 0.01 micron replacement filter cartridge for 15ua/15ua-uf/15ub/15ub-uf/15uc/15uc-uf under sink water filter, reduces lead, chlorine, bad taste & odor, 16k gallons high capacity black is up for auction in Home & Kitchen. This item is in As Is condition. This auction has ended — similar items appear in live auctions regularly.