Air Filter Tune Up Kit Combo for Stihl Trimmer's.

Includes:
(3) Air Filter
(2) Fuel Filter Set
(2) Spark Plug

Fits Models: FS23, FS24, FS25, FS26, FS94, HL91, HL92 and HL94.

Replaces OEM: 4149 120 1800, 0000 007 3600 and 0000 400 7011/CMR6H

Specifications:
Width: 2 3/4"
Length: 2 13/16"
Height: 7/16"