Is this the ultimate big SUP pump?... The GRI HP5

SUPboarder takes a look at the big iSUP pump on the market, the GRI HP5 triple action hand pump. GRI are already inflating many boards around the world with their current high pressure pump. But this new GRI is set to take on the big inflators like the Red Paddle Co Titan. We put it through our 2017 pump challenge to see which pump comes out on top. Read more on SUPboarder here : wp.me/p38Bcs-aO5