The 1-Year Filter Replacement Cartridge for SimPure Y7 Y7P Y7T Y7P-BW Y7 2*CF + 2*RO is a set of four white cartridges designed specifically for the SimPure Y7 and Y7P models. Made from BPA-free, lead-free, and food-grade materials, these cartridges use reverse osmosis and carbon block filtration methods to remove dissolved solids, heavy metals, and other harmful substances. Suitable for both commercial and household use, this countertop unit is covered by a 1-year manufacturer warranty, ensuring reliable performance and clean, pure water for an extended period of time.