General description This Yellow Foam Air Filter with 2 Springs and LT7 Spark Plug Fuel Filter Kit is specifically designed for Stihl lawn mowers and compatible with Briggs and Stratton Classic, Sprint, and Quattro engines. It includes essential components for optimal engine performance. Technical specifications Sponge Size: 12.8 x 7.3 x 3 cm Spring Size: Large: 6.8 x 0.7 cm, Small: 4.5 x 0.5 cm Spark Plug Length: 5.3 cm Wire Rod Diameter: 6.3 mm Wiring Wire Diameter: 13.5 mm Material: Stainless Steel Color: Yellow and Silver Compatibility and accessories Compatible with Briggs and Stratton engines: 691859, 692211 Includes: 2pcs Metal Springs, 1pcs Wood Cellulose Fiber Sponge, 1pcs Spark Plug Installation Easy to install; can be replaced by yourself Simple and quick installation process Usage It is recommended to incorporate oil into the sponge before use for improved dust trapping efficiency Designed for use with Briggs and Stratton engines, providing good elasticity and durability