aqualtra usf01-bk under sink water filter system, 12k gal, nsf/ansi/can 372 certified, reduces pfoa, pfos, chlorine, lead, mercury, chloramine, fluoride, microplastics particles, bad taste & odor 12000 gallons 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.