Premium Quality: This 100% brand new kayak air valve connector is made of highstrength plastic material, which is sturdy and durable. It is not easy to break and deform, has reliable quality and long service life. Good Sealing & Leakproof Performance: The air valve cover of the inflation valve adopts a sealed design, which has excellent leakproof performance. Perfect Connection: Each valve joint group of marine valves includes two rubber rings with different thickness but the same diameter. A valve joint is connected between the air cylinder and the air valve of the air pump to ensure a perfect connection between the two. Great Accessory: The rubber ship air valve connector is suitable for various 6port valves and 8port valves, it is very practical, which is a great accessory for inflatable boats, kayaks and canoe inflatable surfboards, etc. Product Specification: This connector is suitable for most air valves of inflatable boats, 6 air valves, 8 hole air valves. It is not guaranteed to be fully applicable. This connector is suitable for most air valves of inflatable boats, 6 air valves, and 8-hole air valves. There is no guarantee that it will be fully applicable to the air valves of inflatable boats from various manufacturers, and the sizes are very close. Size: 21*21mm Quantity: 6pcs Colour: Black Weight: 20g