Features: Versatile Compatibility: This inflatable boat SUP pump adapter features a universal design that fits a wide range of inflatable kayaks, stand-up paddleboards, and other inflatables, ensuring convenient and efficient inflation for various water sports equipment. Durable Construction: Crafted from high-quality rubber, this kayak air pump valve is built to withstand the rigors of outdoor use, providing a reliable and long-lasting solution for inflating your watercraft and ensuring a secure, airtight seal during inflation. Efficient Inflation: Designed for fast and effortless inflation, this air pump valve for kayaking works seamlessly with standard conventional air pumps and electric pumps, facilitating quick and convenient inflation of your inflatable kayak, stand-up paddleboard, or other water sports gear. Secure Air Seal: The rubber inflatable boat pump adapter is engineered to create a tight and secure air seal, preventing air leakage during inflation and ensuring that your inflatable watercraft remains properly inflated for a safe and enjoyable experience on the water. Convenient Portability: With its compact and lightweight design, this rubber boat kayak surfboard air valve is easy to transport and store, making it an ideal accessory for outdoor enthusiasts and water sports enthusiasts seeking hassle-free and efficient inflation solutions for their inflatables. Specifications: Size: 3.4 x 7.8 cm Material: Copper + rubber Includes: 1 x air pump valve