K-Pump 20 HPThe K Pump 20 HP is compact, durable, and high pressure capable the perfect hand pump for inflatable SUP boards. One stage for volume with a second stage for high pressure allowing you to get maximum performance out of your inflatable. K Pump 20 HP Features Then, with a simple twist of the wrist you switch to the high pressure mode, where you can achieve up to 25 psi. The K 20 HP weighs in at a mere 2 lbs. and is 21 inches long. There's an adapter for