Supply Of 1hose Connection For Air Suspension Syste Hose Connection For Air Suspension System Of Emu /demu Motor & Trailer Coaches I From Bellow To Levelling Valve, Size:19 Mm Bore X 550 Mm Long To Icf Drg. No. Dc/emum/asr-0-5-009, Alt- 2hose Connection 1/2 Inch Bore 12.5 Mm B Hose Connection 1/2 Inch Bore 12.5 Mm Bore Of 700 Mm Length From Under Frame To Bogie To Icf Drg.no.emu/m-3-5- 079, Item-3 Alt. S/2..