This contract will provide for the following scope of work: 1. Quarterly cleaning and disinfecting of RO system which includes cleaning and disinfecting of RO membranes and evaluating and testing RO performance. The pricing will include cleaning/disinfectants, chemicals, test strips, labor and travel. 2. Annual re-bedding of both carbon tanks and perform test and maintenance of the control valve. This service includes re-bedding both carbon tanks, disposing of exhausted carbon, perform test and maintenance on the control valve, changing of endotoxin filters and changing of storage tank vent filter. Pricing should include media, under-bed, filters, travel and labor. 3. Biennial re-bedding of water softener and control valve maintenance every two years. This Service includes water softener re-bed and rebuilding control valve. Pricing includes resin, underbed, labor and travel. 4. Providing 18 bags of salt every quarterly maintenance visit. 5. All work will be performed after the Kidney Dialysis’s normal working hours, which are 6:30am – 4:30pm.