Description: Product: This Stainless Steel Marine Vent Essential Deck Ventilation Accessory For Boats And Yachts. Material: Made From Stainless Steel, This Air Vent Gill Plate Is Sturdy And Resistant To Rust, Ensuring Long Term Use In Marine Environments. Size: The Cabin Ventilation Plate Has A Diameter Of 8.94Inch, Making It Suitable For Most Standard Boat Or Yacht Decks. Application: Ideal For Use On Boats And Yachts, This Round Air Vent Helps Maintain Air Flow And Reduce Humidity On The Deck, Enhancing Your Boating Experience. Package Includes: Each Package Comes With A Set Of The Stainless Steel Ventilation Window, Providing Everything You Need For Easy Installation. Specification: Diameter: 22.7Cm/8.94Inch Package Includes: 1 Set Marine Boat Vents Note: Please Allow Slightly Errors 1-2Cm Differences Due To Manual Measurement.