The Signature Series triangular air cleaner is a new style with a shape reminiscent of the muscle car era. This hot looking chrome air cleaner has the classic Edelbrock signature. This triangular air cleaner comes with high-quality 2-1/2" washable, pre-oiled cotton gauze filter for excellent filtration. Designed for use with 5-1/8" diameter carbs (Edelbrock square-bore, Q-Jet, etc.), the Pro-Flo #1222 clears HEI distributors and electric choke housings. Air cleaner dimensions: 14-1/8" wide x 13-3/8" long.