Inner Air Filter / Kohler 25 083 03-SPack Size:1Kohler 25 083 03-S, Walker 5090-3Dealer Choice 15-1212P, Donaldson P535396, J. Thomas 25-083-03, Landscaper Express 2508303, Landscaper Express 8303, Napa 2845, NHC 25 083 03-S, Oregon 30-712Kohler CH25, CH26, CV493, TH16, Triad OHCID: 1 5/16 ", OD: 1 3/4 ", Height: 6 11/16 "