supply of fresh air filter dry type size 260x230x60xmm,conf. to rdso spec. no.rdso/pe/spec/ac/0055-2003 [rev-2] and drg.no. rdso/pe/sk/ac/0057-2003, rev-2, sheet 1 and 2, suitable for rmpu type ac coaches.fresh air filter dry type size 260x230x60xmm,conf. to rdso spec. no.rdso/pe/spec/ac/0055-2003 [rev-2] and drg.no. rdso/pe/sk/ac/0057-2003, rev-2, sheet 1 and 2, suitable for rmpu type ac coaches.,fresh air filter dry type size 260x230x60xmm,conf. to rdso spec. no.rdso/pe/ spec/ac/0055-2003 [rev-2] and drg.no. rdso/pe/sk/ac/0057-2003, rev-2, sheet 1 and 2, suitab le for rmpu type ac coaches. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]