... /X /CRF250R sponge air filter XCRF150/CRF230 air filter We produce air filter for a wide variety of applications including racing ... vehicles, dirt bike, ATV, jet ski, radio-controlled cars, generators, snowmobiles, tractors, and other applications.Model:CRF450R/X /CRF250RXCRF150 ... green,2.with red inside and yellow outside. CRF450R/X /CRF250R High Flow Sponge Air Filter for Honda