Air Filter Combo / Kohler 25 883 03-S1Pack Size:1Kohler 25 883 03-S1, Kohler 25 883 03, Kohler 235116-S1, Kohler 25 883 03-ANapa 2373, NHC 25 883 03-S1Kohler K241-K321, K181NL and M8; for 8 thru 16HP enginesID: 4 5/8 ", OD: 6 ", Height: 1 7/8 ", Pre-filter included