BLUONICS Carbon Block Filtri Acqua Confezione da 4 Cartucce Standard 4,5"x 20" CTO
Do not change acidic or alkaline water levels and has no impact on pH. Bluonics 4-PK Carbon Block 20 x 4.5" Whole House Charcoal Water Filter 5 Micron. Looking for a system to remove TDS, you check Bluonics RO systems.