Air Filter Fits Stihl 1141-120-1600 MS231 MS251 MS271 MS291 MS362C MS391 by Stens $15.99 Sold out 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out PRODUCT DESCRIPTION Brand New Air Filter Fits Stihl 1141-120-1600 MS231 MS251 MS271 MS291 MS362C MS391 Genuine Stens Part # 605-205