Description: Quality Material: This Inflatable Boat Air Valve is made of quality material, ensuring its sturdiness and longevity. It's lightweight yet sturdy, making it an ideal choice for your inflatable watercraft.Easy to Use: The air valve is designed for easy installation and removal. It allows for quick inflation and deflation of your inflatable boat, kayak or surfboard, saving time and effort.Dimensions: The top diameter of the base and the air valve are both 64mm while the bottom diameters are 40mm (base) and 38mm (air valve).Filter Screen Design: Equipped with a filter screen at the bottom, this air valve effectively prevents foreign matter from entering your inflatable vessel, thus maintaining its performance and extending its lifespan.Wide Application: Weighing only 87 grams, this Air Valve is suitable for most inflatable boats including rubber boats, surfboards, kayaks, canoes, dinghy rafts etc., making it a versatile addition to your boating accessories. Size Chart: Base: upper diameter 64mm, lower diameter 40mmAir valve: upper diameter 64mm, lower diameter 38mm Package Includes: 1Inflatable Boat Air Valve Note: Please allow slightly errors 1-2cm differences due to manual measurement.