This was originally a dual tank model EQ-1000-AST-AMZN but is missing the Salt Free Water Conditioner Tank – making it the the equivalent to a standard EQ-1000 single tank system. The only difference in parts between these two systems are the Blue and White adapters pictured. The blue one is what normally comes with the EQ-1000. The white one is what is included with this kit. Aquasana Whole House Water Filter System – Filters Sediment & 97% Of Chlorine – Carbon & KDF Home Water Filtration – EQ-1000, 10 Yr, 1 Million Gl. Clean, Great Tasting Water From Every Tap In Your Home – Removes 97% of chlorine and reduces harmful contaminants like lead, mercury, herbicides, pesticides, VOCs, and more. High-Performance Filter System – Carbon & KDF filtration media engineered to maximize contaminant reduction while leaving healthy minerals in your water; This system will NOT reduce Total Dissolved Solids (TDS). 01 a gallon – Save twice as much compared to other brands on purified water for 1 million gallons or 10 years. Easy Maintenance – No draining or back flushing needed – Easily replace pre and post filters every 3 months for best filtration and flow rate. The item “Aquasana EQ-1000 Whole House Water Filter System READ DESCRIPTION” is in sale since Wednesday, December 16, 2020. This item is in the category “Home & Garden\Kitchen, Dining & Bar\Small Kitchen Appliances\Water Purification\Water Filters”. The seller is “canzak-llc” and is located in Alice, Texas. This item can be shipped to United States.