Poweka Air Filter Pre-Filter for Honda GX610 GX620 & GX670 18HP 20HP 24HP GX610KS GX620K1 Replace 17210-ZJ1-840 17210-ZJ1-841 17210-ZJ1-842 New high quality replacement air pre filter Fits for Honda GX610 GX620 & GX670 18HP 20HP 24HP Fits for Honda GX610K1, GX610U1, GX620K1, GX620U1, GX670, GX670U Replace HONDA 17210-ZJ1-841 17210-ZJ1-842 17218-ZJ1-840 size: Length:8 3/4" Width:6 5/8" Height:1"