Aquabound kayak pumps work as if your life depended on them. Because someday it may. In a water fight, a BilgeMaster pump does what any kayak pump will do. But when you're fighting for survival, it's in a class by itself. Just look at the features and you'll see there's nothing like the BilgeMaster for yourself and your loved ones. High-Volume - expels one gallon in less than 8 pump strokes (17" model). Hose Fitting - designed to easily accommodate hoses with 1" inner diameter (ID). Floatable - high density foam sleeve. Strong - stainless steel piston rod. Easy to see - eye-grabbing colors. Easy to use- ergonomic T-grip, sleek profile. Attachable- modeled eyelet. Valve system made from high-density rubber for tighter seal and great efficiency. Removable inlet cover to clean out any debris. 17” pump works extremely well removing water from both a kayak and canoe. Throws water 5-8' from boat.