Muffler / Kohler 24 068 20-SPack Size:1Kohler 24 068 20-SJ. Thomas KH-06820, NHC 24 068 20-SKohler CV17-CV25 and CV730-CV740ID: 1 " INLET, OD: 4 " Canister, Length: 15 " OVERALL, Canister Length: 12 ", Commercial mower canister