supply of heatproof, non flammable, non shrinkable, protective transparent polyvinyl chloride flexible dust proof coverheatproof, non flammable, non shrinkable, protective transparent polyvinyl chloride flexible dust proof cover,heatproof, non flammable, non shrinkable, protective transparent polyvinyl c hloride flexible dust proof cover for protecting roller switches of dbc along with mount ing arrangement below the bezel assembly of locomotive cab for the dynamic brake contr oller of hhp loco with hollow tubular arrangment on the bottom side for protecting har ness with end plug having facility of opening and closure with zip arrangement as per drg no: dsl/kyn/hhp/master controller cover. manufacturer?s name along with date of mfg to be embosed on cover. test certificate and warranty certificate to be provided. sample to b e approved before bulk supply. material to be procured from past proven source for this it em in ir only. [ warranty period: 30 months after the date of delivery ] ]