Air Filter / Stihl 4140 124 2800Pack Size:1Stihl 4140 124 2800J. Thomas AF-0034, Rotary 13553Stihl FC55, FS38, FS45, FS46, FS55, HL45, HS45 and KM55Width: 2 1/4 ", Length: 2 7/16 ", Height: 1/4 ", Woven Fabric