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 strong leak protection and durable use. Fast inflation This inflatable SUP valve adapter is easy to convert and is highly efficient at inflating. Use your compressor or tyre pump to reach the recommended PSI within 5 to 10 minutes. Lightweight and portable This SUP pump accessory is lightweight, small, easy to carry and store. You don't need to carry different types of inflatable tools. Reduce your 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 rows. Application range Widely used in most paddle boards, canoes, inflatable boats, storm boats, swimming rings, swimming platoons, inflatable beds, dinghies, kayaks, etc. Quickly inflatable: The inflatable Super Pump Adapter is easy to convert and can be converted in 5-10 minutes. Leak-proof adapter: Made of soft rubber for an airtight seal. Robust seal and leak-proof protection, excellent air release performance. Lightweight and portable: With excellent pressure resistance and durability, the inflatable boat accessory is lightweight and portable, easy to handle, carry and store. Easy to use: You can connect the normal inflatable tube to the oar, simple operation, easy to change and high efficiency. Universal: The adapter is suitable for most paddle boards, rubber boats, storm boats, slides, swim tubes, rubber dinghies, kayaks and more.