Here's what other sites are saying:
Designed for optimum water displacement, the Aqua Bound Bilge Master pumps 1 gal. of water in just 8 strokes.
Pump, pump it up with the Aqua-Bound Kayak Pump. In just eight strokes, this floatable pump expels up to one gallon of water from inside your kayak. You'll never leave home without it. An easy-to-grasp t-grip gives you a solid handle to muckle onto, removable inlet covers makes cleaning easy, and the molded eyelet on the body allows you to lash this sucker down securely. Move water fast and live to float another day.
In a class by itself, there's nothing like the durable Aqua-Bound BilgeMaster Pump for removing water from your kayak.
High capacity Aquabound Kayak/Canoe 17 inch Bilge Pump requires only 7.5 strokes per gallon. Foam sleeve for flotation and bright yellow color for high visibility. Comfortable T-grip handle, ergonomically shaped.High density foam sleeve for Assured flotation.17" body length / Stainless Steel piston rod.7.5 Strokes Per Gallon (designed for optimum water displacement).Spout size Snugly fits a standard 1" diameter water hose.Valve system made from high density rubber for a tighter seal and greater efficiency.Removable inlet cover to clean out any debris. Eyelet allows for tying of pump to kayak during rough conditions. Bright yellow color for high visibility!Weight: 11.6 oz.
The Aquabound Bilge Master is lightweight, easy to handle and pumps 8 gallons per minute. The foam collar allows the pump to float if dropped overboard.