Fitments Years Make Model 2000 KTM 50 SX Pro Senior 2001 - 2008 KTM 50 SX LC Pro Senior FeaturesDual-bonded foam design filters out even the smallest dirt particles, while allowing more airflow than two separate layer filters (flow bench proven)Twin Air filters are slightly smaller than stock to make them easier to change and to increase dead air space around the filter for better performanceFlat foam sealing ring securely seats against the airbox, even in the worst riding conditionsSpecs Base Color: Orange Filter Shape: Rectangular Style: Standard Product Name: Air Filter Units: Each Features: Washable Filter Media Material: Foam Filter Media Style: Dual-Layer Model: Twin Air Riding Style: Off-RoadApproximate Package Weight & Dimensions Weight: 0.05 Height: 1.45 Length: 10.86 Width: 8.18