supply of procurement of six varieties of filters for the use of t-28 machines ( pccm-t-28 902 , t-28 914 machines (colmar) and old t-28 i & ii (ameca) machines).procurement of six varieties of filters for the use of t-28 machines ( pccm-t-28 902 , t-28 914 machines (colmar) and old t-28 i & ii (ameca) machines).,air filter outer (for new t-28) as per colmar part no. h4880141 and donaldson part no. p608666 , make : colmar , donaldson only [ warranty period: 12 months after the date of delivery ] ] , air filter inner ( new t-28 ) as per colmar part no. h4880142 and donaldson part no. p601560, make : colmar , donaldson only [ warranty period: 12 months after the date of delivery ] ] , hydraulic filter part no: ca160/6 5180015 or donaldson part no: p171617 or r120t60 mak e: ameca or donaldson only [ warranty period: 12 months after the date of delivery ] ] , hydraulic return filter for t-28 as per colmar part no. cr 500/3 5180010 and donaldson part no. p171570, make - colmar,donaldson only. [ warranty period: 12 months after the date of deliver y ] ] , suction filter for t-28, to oem colmar part no. h3019090 or rexroth part no: r90260324 3 , make: colmar or rexroth only [ warranty period: 12 months after the date of delivery ] ] , hydraulic filter for t-28 part.no 5180009 or donaldson pt . no : - p171616. make: ameca or donaldson only [ warranty period: 12 months after the date of delivery ] ]