This unique shower head uses Crystals to ionize water, making it softer, eliminating residual chlorine, hard water and lime deposits, leaving the hair lighter and the scalp ph balanced. With up to 47% water consumption reduction, yet able to produce a 40% increase in water pressure Replace your existing shower head with the Salon Shower Pro head. Simply unscrew the old shower head and screw on the new. This shower head attaches to a conventional shower hose in your salon, with adaptors supplied.