Air Brake Coupling SET Red Emergency Line to BS AU 138b:2000 - M22 Thread
Air Brake Coupling SET to BS AU 138b:2000 - M22 Thread. Threads: M22 BSP. Female Air Brake 'C' Coupling 1/2" BSP Male Air Brake 'C' Coupling 1/2" BSP. 1 x Female Coupling. 1 x Male Coupling.