Universal Air Cleaner Assembly; Flange-3.5 in.; B-8.5 in. x 5.25 in.; T-6 in. x 3.75 in.; L-5.25 in.; Whether you have a custom application or simply want to upgrade another brand intake system with AIRAID®’s superior filter technology, you are sure to find a universal AIRAID® Premium Filter for your needs. AIRAID® filters and breathers come in a variety of shapes and styles to suit more applications.