Air filter Stihl MS231, MS241, MS251..

Air filter fits Stihl MS231, MS241, MS251, MS261, MS271, etc.

Outer diameter 78 mm, inner diameter 44.5 mm, height 44 mm

Replace original numbers:

Stihl 11411404400, 11411201604, 1141-140-4400, 1141-120-1604