This wrap style, foam pre-cleaner provides superior protection against the destructive effects of dirt ingestions. Used on select 28 &31 cu. in. OHV engines, this OEM part ensure proper fit and performance to maintain the life of your Briggs & Stratton engine. Wrap style, foam pre-cleaner Fits 496894S air filter Helps filter out dirt and debris that can be harmful to engines Designed to exact OEM standards, manufactured and tested to help deliver optimum performance