supply of set of high-capacity inertial filter , set of high-capacity inertial filter for three phase locomotives as per clw specn no. cl w/ms/3/012, alt.6 or latest pt.i, ii, & iii consists of filter assembly for machine room vent to clw drg. no. 1209-11-135-121, alt-2 or latest. ( 2 nos. per set) . filter assembly for traction motor vent to clw drg. no. 1209-11-135-122, alt-2 or latest. (2 nos. per set). filter assembly for oil cooler vent to clw d rg. no. 1209-11-135-123 or latest. (2 nos. per set). [ warranty period: 30 months after the date of d elivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]