General description 4Pcs 698369 Yellow Foam Air Filter and 4Pcs 692211 691859 Regulator Springs are designed to enhance the performance of your lawn mower. This set includes high-quality sponge filters that provide low resistance and high intake efficiency, resulting in improved engine power and fuel savings. Technical specifications Package Includes: 2 x 7cm Governor Springs 2 x 4.5cm Governor Springs 4 x Lawn Mower Air Filters Material: High-quality sponge Compatibility and accessories Compatible with Briggs & Stratton models: 4216, 5086K, 5088, 5088H, 5099, 698369, 10a900, 98900, 9b900 Also compatible with MTD 490-200-0011 and Craftsman Installation It is recommended to incorporate a little oil into the sponge before use to enhance the filter's effectiveness in trapping dust particles. Usage Ensure to check the model number and size before ordering to confirm compatibility.