AIR FILTER COMPATIBLE WITH: CHAINSAW MODELS: PROMAC 51 54 PROMAC 55 60 PROMAC 61 72 TYPE NEW MAC 960 970 TITAN 55 60 MC CULLOCH 002447 Original code:227561 ALSO COMPATIBLE WITH: PARTNER CHAINSAW MODELS: P 541 P541 P 610 P610 P 720 P720 Original code: 538.2275.61 538227561