Universal Air Cleaner Assembly; Flange-4 in.; B-6 in.; T-4 5/8; L-9 in.; w/Short Flange; 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.