tender for fresh air filter mat.with aluminium frame of size 480mm[l]x260mm[w]x10 mm[thickness] confirmning to rdso spec no rdso/pe/spec/ac/0055-2003[rev-2] 20.11.2014 forlhb type ac coaches to drg. no. rdso/pe/sk/ac/0073-2004 rev.0 or rdso pe/sk/ac/0074-2004rev.0 .
