Kohler (2 Pack) 47 883 03-S1 Engine Air Filter With Pre-Cleaner Kit For K361, CH18, CH20, CH25 And CV17 - CV22 Includes (2) 47 883 03-S1-2pk Air Filters New, Bulk Packed Genuine OEM Replacement Part # 47 883 03-S1-2pk Consult owners manual for proper part number identification and proper installation Please refer to list for compatibility