KOHLER 45 883 02-S1 Engine Air Filter With Pre-Cleaner Kit For K341, M10 - M16, KT Dome Style, CV17 - CV25 KOHLER Genuine Part Includes AF055-017 Genuine KOHLER Air Filter and AF055-065 Genuine KOHLER Pre-filter inside diameter: 4-5/8-inch, outside diameter: 6-inch, Height: 3-inch Circular shape Warranty - 90 days against defects in materials or workmanship