• rubber, copper
• Inflatable adaptor--use your compressor or tire pump to easily reach the suggested psi within 5-10min,air pump adaptor
• Air adapter--this inflatable sup adapter has easy conversion, and the efficiency of its inflation is quite high,sup pump adaptor
• Stem adaptor--made of material, our product is and ,inflatable adapter
• Air adaptor--standard air accessories adopt excellent technology and are easy to use,rubber sup pump adaptor
• Rubber inflatable adaptor--with the in the closed position, insert the fitting and then rotate to lock in place remove the on the fitting, and connect to a standard electric pump,rubber air pump adaptor