FILTER - AIR CLEANER FOAM (698369) - 5-1/8" L X 2-7/8" W 1-1-/4" H Fits 10A900, 98900, 9B900, 9C900 Series after code 02101000.  For 3.5-4.5 HP, Q 45, Classic, Sprint, and Quattro engines Use with 450-600 Series engines with plastic air...