[ HIGH-QUALITY MATERIAL ] - Made from High strength hard plastic and alloy, solid structure, saving labor, resistant high pressure, strong seal leak protection.[ EASY CONVERSION QUICK INFLATION ] - Use your compressor or tire pump to easily reach the suggested PSI within 5-10min, the larger the inflation pump you use, the faster the inflation. Kindly Tips: You can manually inflate the SUP board to about 3 or 4 PSI first, and then connect it to the portable air compressor until it reaches 14 PSI. This is an ideal inflation process.[ MULTI-PURPOSE ] - PeSandy air valve adaptor has 4 different joints. With it, you dont need to buy a special rubber boat pump. SUP pump adaptor utilizes a standard connector to couple with an air compressor or bike/tire pump. Kindly Note: When you open the pack, dont think there are only 2 nozzles. There are 4 nozzles that will be nested to save package space.[ A WIDE RANGE of APPLICATIONS ] - Fit most paddleboards, canoes, rubber boats, assault boats, flushing pools, floating rows, inflatable beds, dinghy, kayak, etc.[ CONVENIENT ] - Lightweight and portable, easy to carry and store, no need to carry different types of inflatable tools, multi-function valve connector to meet all your needs, reduce your burden. Kindly Note: Our adapter is only suitable for conventional electric air pumps. Please confirm the size of the air valve before purchasing.