Universal Custom Round Racing Assembly Red 5.875in OD x 2.406in ID x 1.75in Height (KNN56-1620)Upgrade your vehicle's performance with the Universal Custom Round Racing Assembly Red 5. 875in OD x 2. 406in ID x 1. 75in Height from K&N. Backed by K&N's legendary reputation for quality filtration and performance engineering, this is the upgrade your ride deserves. Features Washable and reusable designed to last the life of your vehicle High flow design for increased airflow and performance Manufacturer Description K&N Custom Air Filters for Single