Pipercross Red Rubber neck crank case breather filter (C9024R)
•Rubber neck - Designed to fit over a pipe •Built in stepped neck to fit 13/16/19mm pipe Crank case breather filters are designed to prevent contaminated oil vapour from entering back into the engine. To be attached directly onto your existing crank case breather hose, the foam filter inside the case is resistant to chemical erosion.