The Hydrofast HF01 RO filter is specifically designed for use with Hydrofast B100 and C100 water purifiers, ensuring optimal performance and water quality. It effectively reduces total dissolved solids (TDS) levels by up to 95% while eliminating a wide range of harmful contaminants, including heavy metals (such as lead, arsenic, and aluminum), fluoride, chlorine, and over 1,000 other potential impurities. The integrated remineralization of the reverse osmosis water filter enriches your water with essential minerals and balances its pH, contributing to long-term health and wellness. | Hydrofast | | HF01 RO Filter with 5-Stage Filtration, Replacement for B100 & C100 Reverse Osmosis System, 1-year Lifetime | White | Best Buy