Tender For bid to ras providing of annual maintenance services for water purification and conditioning system (version 2) - 15 lph; 7 to 9; package-5 : water purifier and conditioning system maintenance involving basic servicing, filters, membranes, all electrical parts including pump..,annual maintenance services for water purification and conditioning system (version 2) - 200 lph; 7 to 9; package-5 : water purifier and conditioning system maintenance involving basic servicing, filters, membranes, all electrical parts including pum..