- Shape: Oval  - Height: 2.063" (52 mm)  - Replacement for OEM 29670-09 and 29400022A Screamin' Eagfle air filter elements.   - Fits, amongst others, 29490-09, 29915-09, 28721-10, 28722-10 Screamin' Eagle air cleaner kits.   K&N is the world-wide standard in high-end quality performance air filtering systems. Made from multiple layers of pre-oiled woven cotton gauze material that is mesh screen protected. They are washable and can be used as stock replacement. Filter elements are designed with a ribbed surface that will give you up to 5 times more filter area than a regular replacement filter, dramatically increasing airflow. K&N filters decrease service intervals, are better flame resistant and will last much longer than comparable foam or paper type filters.