The water quality of Yiquan every day is very good, so it can be drunk directly. Tiantianyiquan mountain spring is weakly alkaline, rich in minerals in rocks and soil, and more oxygen-enriched and active. Scientific research shows that weakly alkaline food and water are of great benefit to human intelligence development and brain development. A spring every day has high cost performance, reliable quality and good purification effect. This brand product can effectively filter rust, sand, colloid and all impurities with a diameter greater than 5 microns in water. Granular activated carbon filter element has super adsorption capacity, which can effectively adsorb residual chlorine, odor, abnormal color, pesticides and other chemicals in water. Precision activated carbon filter can effectively remove bacteria, toxins and heavy metals from water.