High-pressure inflation made effortless. The NRS Super 2 HP Pump delivers powerful, efficient inflation for high-pressure inflatables such as SUP boards. Its patented double chamber design allows quick high volume filling and smooth high pressure topping up to 25 psi. Built for durability, it includes an integrated pressure gauge for precise inflation and multiple adapters for compatibility with various valve types. Switching between Air Max and Power Booster modes is simple, ensuring optimal performance for every stage of inflation. Features Patented double chamber design for high volume and high pressure inflation Inflates up to 25 psi for SUPs and other high pressure inflatables Durable construction for long term use Integrated 0-25 psi pressure gauge for accuracy Air Max mode for rapid high volume inflation Power Booster mode for easy high-pressure inflation Includes Leafield C7/D7 Valve Adapter and adapters for Halkey Roberts New Short, Summit 2, and H3 valves Specifications Volume: 1.4 L per high-pressure stroke (inner chamber) Volume: 3.8 L per high-volume stroke (outer chamber) Action: Inflate only Pump Dimensions: 4.5 cm (W) Chamber Dimensions: 11.4 (Dia.) x 45.1 (H) cm Hose Length: 121.9 cm Claimed Weight: 1.81 kg