Original Twin Air Foam Air Filter suitable for the following motorcycle model(s):

• Honda CRF 250 R (2010-2013)
• Honda CRF 450 R (2009-2012)

In 1972, the motocross world was given a historic boost by a revolutionary product: a laminated, dual-foam air filter that, when soaked in a special oil, allowed free airflow into the carburettor while keeping dirt, grime, sand and water out of it. It was effective, durable, washable and reusable. It took off, and the little start-up company that invented it, called Twin Air, hasn’t stopped ever since.

Watch tips for oiling and cleaning your foam air filter on this video tutorial on