AIR FILTER COMPATIBLE WITH: MACHINE SAWS MODELS: CS 2240 CS2240 CS 2240S CS2240S 75X50.8X45 JONSERED Code:046559 Original code:544 8054 03 544805403 ALSO COMPATIBLE WITH: MC CULLOCH MODELS: CS 350 CS350 CS 390 CS390 CS 410 CS410 75X50.8X45