VEVOR Whole House Salt Free Descaler, Water Filter for City Water, 600,000 Gallon Whole House Water Descaler for All Kinds of Plumbing Pipes, 1" NPT & 3/4" NPT, for 2-3 Person Family Effective Scale Prevention Salt-Free Descaler Pure and Healthy Durable and Maintenance Free Wide Application Long-Lasting and Economical Connector Size: 1" + 3/4",Applicable Water: City Water,Max. Flow Rate: 7 GPM (1.59 m³/h),Scale Prevention Efficiency: 50%-90%,Item Model Number: 0926,Product Weight: 37.04 lbs / 16.8 kg,Product Size: 9.45" x 9.45" x 28.94" / 240 x 240 x 735 mm