BESTWAY AIR HAMMER PUMP 12'' 30cm /7796 A pump with a large air chamber for fast inflation. Capacity 2 x 700 cm3. The pump is flow-through, i.e. it pumps during the up and down movement, and has a flexible hose. Fits most valves. Designed for maximum efficiency.;BESTWAY AIR HAMMER PUMP 14'' 36cm /7802 Properties: Pump with a large air chamber for fast inflation. Capacity 2 x 910 cm3 The pump is flow-through, i.e. it pumps during up and down movement, and has a flexible hose. Fits most valves. It has been designed to achieve maximum efficiency.;BESTWAY AIR HAMMER PUMP 14.5'' 37cm 62086-3087 - Properties: Pump capacity: 2.8L/cycle Inflates/Deflates air on the up and down strokes Easy to switch from inflating to deflating Flexible hose 3 tips to fit almost all valves Resistant construction;BESTWAY AIR HAMMER PUMP 19'' 48cm 62030 Properties: Pump with a large air chamber for fast inflation. Capacity 2 x 2000 cm3 The pump is flow-through, i.e. it pumps during up and down movement, and has a flexible hose. Fits most valves. It has been designed to achieve maximum efficiency.