High-Capacity Softening – WCS50KG treats up to 50,000 grains of hardness, protecting plumbing, appliances, and fixtures from scale buildup and extending their lifespan. Powerful 6-Layer Filtration – RO5004F removes up to 99% of over 1,000 harmful contaminants, including chlorine, lead, PFAS, arsenic, and fluoride for safer, fresher water.