Open, Electronic, Below-Limit Tender For The Selection Of A Contractor For The Maintenance Of Water Desalation Of Artificial Kidney Cpv: 50800000-3, To Cover The Needs Of G.N.Th. Agios Pavlos, Of A Proposed Budgeted Expenditure Of €20,580.00 Excluding Vat. And At €25,519.20 Including Vat. 24%, With A Unilateral Right Of Option For One Year And With The Criteria For Awarding The Most Economically Advantageous Offer, Solely Based On Price