Air filter Fuel Filter Tune Up Kit For Stihl Trimmers.

Kit Includes: 
(1) Air Filter
(1) Fuel Filter
(1) Spark Plug

Fits Stihl Trimmer Models: FS40, FS40C, FS56, FS70, FS50, FS50C, FS50-L, FS56R, FS56C, FS56RC, FS70C, FS70RC, FC70C, KM56, KM56R, KM56C, KM56RC and HT56C

Replaces OEM: 4144-124-2800

Specifications:
Width: 2 3/8" 
Length: 3" 
Height: 1/4"