Fits: Honda CRF 250X 04-13, CRF250R 04-09, CRF450R 03-08, CRF450X 05-13;Fit this over your Twin Air filter when your riding in severe conditions such as heavy dust and sand;This coarse foam pre-filter will act as an additional layer of protection;Extends the service time between filter cleanings;Designed for use with Twin Air air filters

• Twin Air 150209DC Dust Cover

Twin Air 150209DC Dust CoverTwin Air