The Aqua Heavy-Duty Dual-Action Hand Pump is a patented dual-action pump for optimal power with minimal effort. Easily inflate high-pressured inflatables up to 35 psi. Ideal for use on high-pressure inflatables, such as SUP boards, pool floats, loungers, large rafts and more. Sturdy construction ensures long-lasting durability. This pump features a dual-action pump piston design that pumps air on both up and down strokes. This maximizes airflow, making inflating fast and simple. This set includes 1 pump, 1 hose and 4 adapter attachments that have a universal fit. It features a stable and secure base with a wide handle that makes the pump easy to use on virtually any surface. Inflate your high pressured inflatables, pool floats and air mattresses with the Aqua Heavy-Duty Dual Action Hand Pump with 4 Nozzle Adapters Attachments.