When a regular filter just won't do, turn to an aFe ProHDuty Filter. aFe ProHDuty Filter are heavy duty variants of aFe filters you trust; Pro 5R, Pro DryS and Pro-Guard 7. PartNumber : afe70-50027 Description : ProHDuty Filter Overall Length (in.) : NA Height (in.) : OEM Diameter Inside (in.) : OEM Shape : OEM Diameter Outside (in.) : 10 Filter Material : Cotton Gauze Filter Style : Pre-Oiled Cap Outside Diameter : N/A Width (in.) : NA Air Filters::Air Filters - Direct Fit