Features: new and high quality material ensures the maximum durability. A practical and useful replacement for the old or worn one. Easy to replace and easy to install. Simply remove your old filter and put this brand new one in it's place! This filter fits for Stihl MS241, MS251, MS261, MS271, MS291. Specification: Condition: 100% New Material: ABS Diameter: Approx. 8cm / 3.1in Height: Approx. 4.3cm / 1.7in Weight: Approx. 54g / 1.9 oz Fitment: for Stihl MS241, MS251, MS261, MS271, MS291 Package list: 1 * Air Filter 1 new and high quality material ensures the maximum durability 2A practical and useful replacement for the old or worn one 3Easy to replace and easy to install 4Simply remove your old filter and put this brand new one in it's place 5This filter fits for Stihl MS241, MS251, MS261, MS271, MS291