High-quality materials This SUP pump adapter is made of high-quality copper and rubber materials, with a strong seal to prevent leakage. The alloy valve stem end provides reliable leak protection and durable performance. Fast inflation This inflatable SUP valve adapter is easy to use and highly efficient for inflation. Use your compressor or tire pump to reach the recommended PSI within 5 to 10 minutes. Lightweight and portable This SUP pump accessory is lightweight, compact, and easy to carry and store. Eliminates the need to carry multiple inflation tools, reducing overall load. Multifunctional air valve SUP adapter Round joint – Suitable for inflatable beds, inflatable pools Square connection – Suitable for SUP paddle boards Screw connection – Suitable for assault boats, canoes Pointed connector – Suitable for swimming rings, floating mats Application range Compatible with most paddle boards, canoes, inflatable boats, rigid inflatable boats, swimming rings, inflatable beds, dinghies, kayaks, and other inflatable water gear. Quick inflation The inflatable pump adapter is easy to connect and allows fast inflation in 5–10 minutes. Leak-proof design Made of soft rubber for an airtight seal. Features a robust construction for reliable leak protection and efficient air release. Lightweight and portable Offers excellent pressure resistance and durability while remaining lightweight and easy to handle, carry, and store. Easy to use Connects standard air pumps to various inflatable water sports equipment. Simple operation, quick attachment, and high efficiency. Universal compatibility Designed to fit most paddle boards, rubber boats, rigid inflatable boats, water slides, swim tubes, inflatable dinghies, kayaks, and more.