supply of set of spares for kkipower make roof mounted cab ac for 3 phase locomotive, set consists of 02 items as given below : 1) supply air filter suitable for kki make - 01 no/set 2) return air filter suitable for kki make - 01 no./set , set of spares for kkipower make roof mounted cab ac for 3 phase locomotive, set consists of 02 ite ms as given below : 1) supply air filter suitable for kki make - 01 no/set 2) return air filter suitable for kki make - 01 no./set make: kkipower drives only. cab ac specification rdso /2007/el/spec/0055 rev 2. [ warranty period: 30 months after th e date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]