It Concerns The Supply Of Two (2) New Prefabricated Metal Cylinders Tanks For Drinking Water Storage, With A Capacity Of 500 M2 And 150 Sq.M. Which Will Be Placed In The Area Of ​​The Village Of Kalyvo And The Postal Code Vrastam Of The Municipality Of Polygyros Respectively. Additional The Supply Of Three Iron Removal Filters Will Be Made Which Can Process From Five To Seven Cubic Meters Of Water Per Hour (5-7 M3/H).