Single Low Pressure ball valve style control for use with high pressure air source. Some standard with 0-15 Psi / 1 Bar Glycerin filled pressure guage, 10 Psi / 0.65 Bar relief valve and camlock coupling (CLAW fitting available upon request), High pressure air source use with 0.25" male fitting inlet. Ball valve used for inflation of 1 cushion. Also for use in loads shift without having to get out air compressor and control stand.