Durable construction - The inflatable boat pump adapter is made from high quality materials for durability and wear resistance. It is safe to use and designed for a long operating life. Two sizes for versatile fit - Available in two sizes to meet different valve requirements. The design provides flexibility and strength, making it practical and durable for various inflatables. Easy to install and operate - Simple to install and to inflate or deflate. It enables faster, more convenient inflation of inflatable boats, kayaks, and paddle boards, reducing setup time. Airtight seal with simple seal replacement - To achieve an airtight fit, replace the part seal with your board, kayak or boat valve cover gasket. This enables a secure seal with minimal effort. Broad compatibility and reliable performance - Designed for paddle boards, kayaks, and inflatable boats. The two size option helps ensure a tight, efficient seal across common valve types. Use scenarios - Home or garage prep: quickly inflate or top up pressure on your paddle board or kayak before storage or after use. - On site at the water: switch seals as needed to fit your specific valve for fast, reliable inflation at the launch. - Travel and family gear kit: two sizes cover a wider range of inflatables, making it easy to handle multiple boards or boats during trips.