K&N for Univ Clamp-On Air Filter - 1-3/4in FLG O/S 4in X 3in B 3in X 2in T

K&N Universal Oval Clamp-On Air Filter 1 3/4" ID 44MM Flange (RU-2450)

K&N RU-2450 Engine Air Filter

K&N RU-2800 Universal Air Filter Clamp-On Performance#

K&N HighFlow Original Lifetime Universal ClampOn Air Filter Performance, Prem...

K&N Universal Air Filter RU-2450 – new in box – 2 available/selling separately

K&N for Univ Clamp-On Air Filter - 1-3/4in FLG O/S 4in X 3in B 3in X 2in T 2-3/4

K & N HPSRU-2450 Universal Clamp-On Air Filter High Performance and Easy Install