Air Filter / Stihl 4134 141 0300 Pack Size:1Stihl 4134 141 0300 Dealer Choice 15-1503, J. Thomas 4134-141-0300, Laser 93328, Landscaper Express 1410300, NHC 207-7168, Oregon 55-079, Prime Line 7-08374, Rotary 11659 Stihl FS120, FS200, FS250, FS350 and FS450Length: 3 7/16 ", Height: 1 ", Width: 2 3/4 "