Manually operated pump inflates balls, toys, air matters etc on up and down strokes, cutting effort in half. Inflates or deflates - simply switch over filter cover with hose to reverse air direction. Features a 48” - long nonkink hose, valve adapter, large handle and foot plate. Sturdy, light weight - 2 Lbs. - plastic. Measures 19” high. Great for inflating Physio Balls, Physio-Rolls and visualisers etc.