Straight / Black Inner / Red Outer / Urethane Flange. Uni Filters Dual Layer PODAir Filters are constructed with Two layers of foam, a course red outer layer and a fine black inner layer. This Two Stage technology provides superior dirt stopping and performance in the dirtiest of conditions. *Sample pics only. We recommend all motorcycle parts are fitted and tested by qualified professionals. Fits: Honda CRF100F 2004-2013 CRF80F 2004-2013 XR80R 1985-1993 2001-2003