aFe Takeda Air Filters IAF PDS A/F PDS 3-1/2F x 6B x 4-3/4T x 5H (VS)The aFe Pro DRY S air filter used by the Takeda performance air intake system uses a 3 layer synthetic media that requires no oils. This filter is 99. 2 efficient filtering out all of the most harmful air contaminants while allowing maximum flow. This filter requires no oils and cleans with soap and water for maximum convenience.