EXTENSIVE COMPATIBILITY: Designed to replace part numbers 593260, 798452, 798339, and 334404, this air filter kit is compatible with Briggs & Stratton models 500EX, 550EX, 575EX, 625EX, 725EXI, and more, as well as Toro Recycler 22 and various Troy-Bilt mowers. ENHANCED FILTRATION SYSTEM: Equipped with a pre-filter cleaner, this air filter kit enhances filtration, boosting engine durability and extending its lifespan. The kit includes two sizes of spark plugs to ensure compatibility across various mower models. PREMIUM BUILD QUALITY: Made from high-quality rubber and superior filter paper, the air filter features a precise pleat design to trap harmful particles effectively. Each component is thoroughly tested to meet or exceed part number standards for durability and performance. SIMPLE INSTALLATION PROCESS: This air filter kit is user-friendly, with installation taking just 5-10 minutes. Colour:As Shown Material:Plastic + Metal Due to different batches, there may be differences in product appearance and printed text, which will not affect use Package Contents: 2 * air filters 2 * pre-filters 2 * spark plugs Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.