Description: Type: Vents Easy to install. Made with high quality plastic, weather resistance. Durable and designed for straight-through air flow for venting hoses. The louvered design keeps unwanted elements out while allowing air to pass through. Specification: 4" Hose Material: Plastic Size: 13cm * 13cm * 6cm (L*W*H) Package Includes: 1 Piece Boat Air Vent Note: 1. Please check as much as possible to make sure the item is the one that you need. 2. Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm)
