Aquasana Premium Rhino Whole House Filter gives you healthy, clean, great-tasting water from every tap in your home by removing up to 96.9% of the chlorine in regular tap water. Get healthier skin and hair by reducing your body's exposure to harsh chlorine that can cause damage and excessive drying. Breathe easy knowing you have improved air quality by removing chlorine from your shower steam. Couplings included for 0.75 inch pipe fittings. This product may arrive separately in multiple packages. PEX tubing is not included. Contaminant reduction testing and resulting values are based on Rated Flow Rates indicated above. Values will vary based on faster or slower flow rates.