RKIN U1 2-Year Filter Bundle RC-U1-2YFBL

RKIN U1 2-Year Filter Bundle RC-U1-2YFBL Product Details Add a 2-year filter bundle to your order, and you’ll receive two annual replacement filter kits (cartridges #1 and #3, two pieces each), two hydrogen PEM modules, and one reverse osmosis membrane (cartridge #2 to be replaced after 2nd year of use) . You’ll get three years of use with this add-on!