PODOY Air Filter & Cleaner Cover for STIHL 026 MS260 Chainsaw 1121 140 1915 Air Filter size: length 3 1/2" width 3 1/10" Packaging includes 1pc air filter+ 1pc air filter cover Replace part number: 1121 140 1915 , 1121 120 1617 This kit can only fit Stihl MS260 and late 026 chainsaw after 2000 Non original aftermarket part