This cyclonic style, pleated-paper air filter provides superior protection against the destructive effects of dirt ingestion. Used on the 44–49 Intek V-Twin Series engines; this OEM part ensures proper fit and performance to maintain the life of your Briggs & Stratton engine. Genuine Briggs Stratton Air Cleaner Cartridge Filter For 23 to 28HP V-Twin Commercial Series Engines Helps filter out dirt and debris that can be harmful to engines