bids are invited for annual maintenance services for water purification and conditioning system (version 2) - aqua guard reviva 50 lph; upto 3; package-5 : water purifier and conditioning system maintenance involving basic servicing, filters, membranes, all electrical pa.. , annual maintenance services for water purification and conditioning system (version 2) - aqua guard reviva 50 lph; 5 to 7; package-5 : water purifier and conditioning system maintenance involving basic servicing, filters, membranes, all electrical pa.. , annual maintenance services for water purification and conditioning system (version 2) - aqua guard reviva 50 lph; 7 to 9; package-5 : water purifier and conditioning system maintenance involving basic servicing, filters, membranes, all electrical pa.. , annual maintenance services for water purification and conditioning system (version 2) - aqua guard neo 12 lph; upto 3; package-5 : water purifier and conditioning system maintenance involving basic servicing, filters, membranes, all electrical parts.. , annual maintenance services for water purification and conditioning system (version 2) - kent ace ro (storage 7l); 7 to 9; package-5 : water purifier and conditioning system maintenance involving basic servicing, filters, membranes, all electrical pa.. , annual maintenance services for water purification and conditioning system (version 2) - kent pride mineral ro (storage 8l); 10 and above; package-5 : water purifier and conditioning system maintenance involving basic servicing, filters, membranes, a.. , annual maintenance services for water purification and conditioning system (version 2) - aqua guard wp enrich superio ro uv (storage 5l); upto 3; package-5 : water purifier and conditioning system maintenance involving basic servicing, filters, membr.. , annual maintenance services for water purification and conditioning system (version 2) - 1