A. Provide updated equipment when applicable. B. Water Softener services utilizing nine inches by forty-four inches (9” X 44”) Portable Exchange (P.E.) Tanks. C. Each tank contains a fifty thousand (50,000)-grain softening capacity. D. Services shall be performed: 1. Maintenance shall be on a bi-weekly schedule. 2. Inspection shall be on a quarterly schedule. Inspection shall include replacement of water filters in two Linis Pure Water System Units 3. Contractor shall install/exchange six (6) P.E. Tanks, complete with six (6) tank headers, quick connect hoses, and valves. 4. Exchange tanks shall be freshly regenerated, sterilized, and inspected prior to installation. 5. Equipment must be maintained in good operation condition at all times, without leakage of pipes, pipe fittings, or tanks. Filters replaced as needed, and no less than quarterly. 6. Filter part numbers: a. PD-10-934, Sediment Filter, CB1-10, Carbon Block Filter b. 1/4” Coconut Carbon Inline Filter, 100 GPD Membrane, as needed