Pair of Vintage Brass Rotating Yacht Deck Air Vents Consign Now DeptMaritime ArtsSizeHeight 8 ¼ in. Diameter 10 ½ in. Pair of Vintage Brass Rotating Yacht Deck Air Vents Height 8 ¼ in. Diameter 10 ½ in. Please note that this auction has ended. Click here for an overview of this auction.