Genuine Briggs & Stratton Filter Air kit
Display pack of 1 (394018S) air filter and 1 (272490S) pre-cleaner. This oval style, pleated-paper air filter provides superior protection against the destructive effects of dirt ingestion.
Used on select 12.5 HP through 21 HP horizontal crankshaft L-Head twin cylinder engines and most Vanguard OHV V-Twin engines.