Tune Up Kit Service Fits Stihl HS81R HS81RC HS81T HS81TC HS86R HS86T Hedge Trimmers. 

Kit includes air filter, fuel filter & NGK CMR6H Spark Plug.

Item #15794

Hedge Trimmer Air Filter replaces Stihl 4237-141-0300. Fits models HS81R, HS81RC, HS81T, HS81TC, HS86R, HS86T.

Air Filter Dimensions

THICKNESS 3/4"

LENGTH 3-1/4"

WIDTH 3-1/8"