Eventuri Carbon Intake System Replacement Filter - Type DMaintain the performance and filtration efficiency of your Eventuri intake system with the Eventuri Type D Replacement Filter. Engineered specifically for Eventuris patented reverse mounted filter housings, this filter preserves the carefully optimized airflow characteristics that define the Eventuri intake architecture. Unlike generic cone filters used by many intake manufacturers, Eventuris proprietary design is the result of extensive research,