American Metal Products Oval Gas Vent 6.9-in x 4.5-in x 7.1-in Galvanized Steel Oval Stackhead Duct Boot in the Duct Transitions & Connectors department at Lowes.com
Oval A/C Vent | Shop Custom Trique Oval A/C Vents with a Radius Bezel at Watson's StreetWorks
Oval Locker Vent | West Marine
Amazon.com: Sugatsune APB-5056/WHT White Ventilator 50mm bore, Allows air Flow Even if The Surface of The Ventilator is Directly on The Wall. (1) : Industrial & Scientific
Dual Oval A/C Vents | Purchase Trique Dual Oval A/C Vents with a Radius Bezel from Watson's StreetWorks
Sugatsune APDL-260/BLK: 260mm Oval Ventilator - Black
Chrome Plated Brass Oval Ventilator for sale in Lake Lillian, MN | Tracks USA (320) 382-6128