Features: Inflatable SUP Valve Adapter for easy conversion and quick inflation. The Sup Valve Adapter is a universal standard for most different canoes, kayaks, paddle boards, inflatable boats, dinghies,etc Please confirm the detailed size with the photo. The SUP pump adapter can make the inflator compatible with your inflatable boat or board. Easy to Use: The boat pump adapter is made of high quality plastic and alloy, high pressure resistant and durable. When the valve is in the closed position, insert and twist the valve to lock it in place. Openthe valve cover, connect an electric pump or a manual pump for inflation. Made of high quality: strong and durable. With fine workmanship and exquisite design, it is easy to convert. The kayak adapter is made of high quality alloy material, which has excellent airtightness andexcellent resistance to leakage, as well as a long service life. Robust seal and leak protection. Utilities: Kayak accessories are very useful tools to inflate with a normal inflator. You dont need to buy an inflator for the kayak pump adapter. The marine air valve adapter is lightweight and portable, easy to carryand storage, and is widely used in all kinds of canoes, kayaks, etc. Wide Applicability: Universal fit for most inflatable boats, river rafts, kayaks, canoes, fishing boats, dinghies, etc. Lightweight, portable and convenient. Using your electric vane pump adapter or yourtire pump, you can easily pump the pallets to the recommended values in 5-10 minutes.