1 Features 4 advanced filtering media, reduces organic and inorganic impurities but keeps the healthy essential dissolved minerals, provides healthy, clean and delicious water from tap. 2 Features Special design for bottled water with non spilling cap to prevent water spilled out and impurities into. 3 Features Special design for bottled water with tear-off cap.No need to tear the caps off, just place the bottle on the probe then the water won't be spilled out.