supply of poh kit for automatic pressure modification devicepoh kit for automatic pressure modification device,poh kit for automatic pressure modification device (knorr design) of air brake wa gons having bmbs consisting of 23 items. specification :- (i) as per rdso specification no. wd 23-b mbs-2008 (rev. 1) with amendment no. 1 of sept 2016. (ii) as per rdso drg. no. wd-08096-s-01, alt. 2 . (iii)as per enclosed annexure-a of this item suitable to fitment for knorr design, automatic pr essure modification device(confirming to kbi part no. 1.3.5114) of air brake wagons having bmb s(knorr degin). [ warranty period: 36 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]