bids are invited for annual maintenance services for water purification and conditioning system (version 2) - kent perk water purifier cum cooler ro plus uv; upto 3; package-5 : water purifier and conditioning system maintenance involving basic servicing, filters, membra.. , annual maintenance services for water purification and conditioning system (version 2) - aquaguard reviva domestic ro plus uv; upto 3; package-4 : water purifier and conditioning system maintenance involving basic servicing, filters, membranes, all e.. , annual maintenance services for water purification and conditioning system (version 2) - aquaguard hot and cold ro plus uv 3 taps water purification system; upto 3; package-5 : water purifier and conditioning system maintenance involving basic servic.. , annual maintenance services for water purification and conditioning system (version 2) - usha water cooler 150ltr per hour ro plus uv plus uf potable water purification system; upto 3; package-5 : water purifier and conditioning system maintenance in.. , annual maintenance services for water purification and conditioning system (version 2) - usha water cooler 150ltr per hour ro plus uv plus uf potable water purification system at guest house; upto 3; package-5 : water purifier and conditioning system.. , annual maintenance services for water purification and conditioning system (version 2) - kent water purifier ro plus uv plus uf potable water purification system for dos transit facility; upto 3; package-4 : water purifier and conditioning system mai.. , annual maintenance services for water purification and conditioning system (version 2) - kent water purifier ro plus uv plus uf potable water purification system for isro guest house; upto 3; package-4 : water purifier and conditioning system mainten.. , annual maintenance services for water purification and conditioning system (version 2) - aquaguard hot and cold ro plus uv 3 taps water purification system; upto 3; package-5 : water purifier and conditioning system maintenance involving basic servic.. , annual maintenance services for water purification and conditioning system (version 2) - aquasure pearl uv; upto 3; package-4 : water purifier and conditioning system maintenance involving basic servicing, filters, membranes, all electrical parts inc.. total quantity :