Spectre 4802 Universal Performance Air Filter - 14"x3"

SPE-4809 High Performance Universal Air Filter - Optimized Fit for 4" Cleaners

Spectre Performance Universal HPR Air Filter 6" Conical Flanged Blue, SPE-8166

Spectre 8161 Universal Clamp-On Air Filter, High Performance, 3"/3.5"/4"

Universal Sport Air Filter 70mm High Flow Performance Intake Various Colors

SPE-4809 Universal Air Filter - Quality, Flame Retardant, 4-Inch Fit

Spectre Performance Universal HPR Air Filter 6" Conical Flanged Black, SPE-8161

Spectre 8161 Performance Universal Clamp-On Air Filter: Round Reverse Tapered