This genuine Stihl air filter is a crucial part that prevents dirt, dust and debris from entering the engine. With a foam material on one side and a finer felt-like material on the other, this filter ensures sensitive engine components are kept clean. Part number 4229 120 1800 is for use on select Stihl BG, BR and SH series leaf blowers.
Leaf Blowers: BG 45, BG 46, BG 50, BG 50 Z, BG 55, BG 55 Z, BG 65, BG 85, BG 85 Z, BR 45 C, SH 55, SH 85, SH 85 D Z, SH 85 Z