Billet Specialties 38320 billet air vents. Keep it cool with billet air vents from Billet Specialites! Fully adjustable machined vent rotates smoothly within a machined bezel. Precision machined from 6061-T6 billet aluminum. Polished to a mirror finish. Engineered to fit into a 2 1/2" dash opening and accepts 2 1/2" flexible hose. Outer bezel is 2 3/4". Sold as 1 billet vent. Billet Specialties 38320 billet air vents 38320 Air conditioning compressors, condensors, vents and bulkheads can be found in this section. We welcome CANADIAN customers! For ordering information, click on "Orders To Canada" at the top left side of this page. PAYMENT METHODS: PayPal, Visa, Mastercard, Discover, American Express, money orders.