supply of set of filters for transformer oil purifset of filters for transformer oil purif,set of filters for transformer oil purification plants 5000 lph of m.s, nach make. set consists of 03 items. (1) coalescer filter to suit m/s. nach make transformer oil purification plant 5000 lph as per sc rly drg no.c/els/lgd/crn/4/19 alt-1. qty/set.- 01 no. (2) coarse filter to suit m/s. nach make transformer oil purificati on plant 5000 lph as per sc rly drg no. c/els/lgd/crn/4/21 alt-1. qty/set.- 07 nos. (3) fine filter (cartridge filt er) to suit m/s. nach make transformer oil purification plant 5000 lph as per sc rly drg no. c/els/lgd/crn/4/2 0 alt-1.qty/set.- 12 nos. [ warranty period: 30 months after the date of delivery ] ]