Description: Keeps air in and out effectively Waterproof Specially used for surfing board, paddle board, SUP board, or similar application Plastic material, high quality Screw type, easy to operate Specification: Material: Plastic Color: Black Bottom Diameter: Approx. 18mm / 0.71in Top Diameter: Approx. 25mm / 0.98in Height: Approx. 18mm/ 0.71in Package Includes: 1 Piece Air Vent Note: Please confirm the size is suitable for your items and allow 1-2mm size deviation
