Great for inflatable chairs, beds, boats & more Easily switches from inflation to deflation Has an air volume of 2 x 2,000 (Cubic Centimetres) Quick & simple to use Stroke volume: 0.85L/cycle Large air chamber for rapid inflation Inflates on up and down stroke Flexible hose 3 valve adaptors to fit nearly every inflation valve Designed to provide maximum airflow Approximately 36 cm (h)