FWF KTM 250SX AIR FILTERFoam Profile: Designed and manufactured in Australia, utilising the latest technologies in open cell foam 3D profiling, the pyramid profile effectively doubles the filters outside surface area without increasing its overall size and, compared with conventional foam air filters. Pyramid profile is designed to: Provide a 100% larger surface area Trap dust evenly over the increased outside surface area while allowing optimum airflow Maintain optimal