The Briggs & Stratton kit 5429 5429K with Replacement Air Filter 796032 and Pre-Cleaner 798911 complies with EPA emissions regulations. This round-style paper air filter protects your engine against dirt and debris keeping your engine running at peak performance. Used on select 9.0 – 12.5 HP OHV engines this OEM part helps maintain the life of your Briggs & Stratton engine. Includes 1 paper filter and 1 foam pre-cleaner. To ensure proper fit and use please refer to your equipment s user manual.