General description Our lawn mower air filter is designed to be compatible with Briggs and Stratton lawn mower engines, effectively filtering 98% of impurities and contaminants at ten microns or more. This ensures that the air intake remains clean, preventing the engine from inhaling harmful particles. Technical specifications Material: Plastic + Paper Size: L 110 x W 68 x H 35 mm Hole diameter: 28 mm Quantity: 4 air filters included Compatibility and accessories Compatible with Briggs & Stratton 550E, 550EX Eco-Plus, 09P000, 575EX series Usage Regularly replace the air filters to maintain optimal engine performance.