supply of filter element , (a) a set of filter element and their fittings of main air compressor suitable to vande bharat main air compressor. set includes 1. filter element to kb part no. 8.000.8.923.716.5- 01 no.2. washer to k b part no. 8.000.0.340.716.5 02 nos.3. washer to kb part no. 8.000.0.340.717.5 01 no.4 hexagon nut to k b part no. 8.000.8.360.704.4 01 no brand: knorr-bremse firms offer make/brand: kbi [ warranty peri od: 30 months after the date of delivery ] ] , filter element suitable for knorr-bremse make vande bharat auxiliary air compressor to kb p art no. 8.000.8.923.726.5 make: knorr-bremse firms offer make/ brand: kbi [ warranty period: 30 m onths after the date of delivery ] ]