Pre-Filter / Kohler 52 083 01-SPack Size:1Ariens 20623400, Kohler 52 083 01, Kohler 52 083 01-SDealer Choice 15-1205P, Landscaper Express 5108301FW, NHC 52 083 01-S, Oregon 30-947, Oregon 30-127Kohler KT series square style, CH11-CH15