Pinit Double Piston Foot Pump SKU: 1001146 $26.99 Quantity discounts available QuantityPrice Quantity -+ Add to Shopping Cart Details Double piston pump can be used to manually inflate and deflate inflatable exercise balls. Dimensions: 20" x 5" x 16" Product Reviews DetailsProduct ReviewsBackDouble piston pump can be used to manually inflate and deflate inflatable exercise balls.Dimensions: 20" x 5" x 16"Back