Three-stage filtration removes chlorine, lead, iron, VOCs, sulfur, and more 25,000 grain capacity softens hard water minerals like calcium and magnesium Designed for 1–3 people and 1–2 bathrooms Smart digital valve with water-saving metered regeneration Complete kit with resin tank, brine tank, valves, drain line, and manual Reduces scale buildup in pipes, fixtures, and water heaters Assembled in California using pro-grade components Easy filter changes every 6 months; low overall maintenance Get the benefits of clean, soft water from every tap with the PRO+AQUA PRO-E-S25E Combo System. Designed for smaller households on well or city water, this unit combines the industry-trusted PRO-100-E 3-stage filtration system with a high-efficiency 25,000 grain water softener. Remove up to 99% of harmful contaminants such as chlorine, lead, iron, VOCs, and sulfur while also softening your water to eliminate scale and improve the lifespan of appliances. Built with premium materials and a digital metered control valve, this system is easy to install and low-maintenance. Ideal for households of 1–3 people and 1–2 bathrooms, the PRO-E-S25E is your all-in-one solution for healthier water and a healthier home.