APEC Water Systems ROES-50 Essence Series Top Tier 5-Stage WQA Certified Ultra Safe Reverse Osmosis Drinking Water Filter System with Extra High Capacity Pre-Filter Set Stage 1-3Supreme quality Designed and engineered using only premium components to ensure high performing and durable reverse osmosis system for years Only technology to remove up to 99% of impurities including arsenic, chlorine, lead, fluoride, heavy metals, and 1000+ impurities. Max Total Dissolved Solids 2000 ppm. Feed Water Pressure 40 85 psi WQA Certified System. Premium long lasting filters used to treat tap water, well water. Provide unlimited clean,