Features: 1.Ventilation Effect: The round opening allows the largest amount of air to enter the cabin, providing good ventilation. 2.Excellent Performance: Cowl vent is made of stainless steel outside and white epoxy resin paint inside, beautiful and practical. 3.Elegant Design: The exquisite appearance highlights the high grade quality of ship yachts, and is a practical accessory for marine boats. 4.Weather Resistant: High strength stainless steel with waterproof and rustproof performance, and can withstand very bad weather environment. 5.Applicable Scenarios: Suitable for the vents of various ships and yachts, such as luxury yachts, commercial passenger ships, etc., and can meet the needs of different users. Specification: Item Type: Marine Cowl Vent Material: Stainless Steel Bottom Screw Installation Size: 3.11in/79mm Ventilation Opening Diameter: 5.9in/150mm Total Height: 9.64in/245mm Height After Installation: 9.05in/230mm Stainless steel exterior and white epoxy paint interior, beautiful and practical Application: Suitable for ships, yachts Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.