The K-Pump K-400 Raft & Kayak Pump gives you the ability to rapidly and efficiently inflate large inflatables. The two-stage design primary stage delivers a huge volume of air per stroke, while the high-pressure mode makes for effortless top-offs. The K-400 is sleek and lightweight compared to its competitors and is constructed to withstand years of use. A favorite for rafters, guides, outfitters, search and rescue units. and even special forces Ideal choice for rafts, catarafts, inflatable kayaks, pontoon boats, kickboats, etc. Two-stage design features a high-volume fill mode and a higher-pressure top-off mode Ergonomic design is comfortable to use by one person with no hoses to kink and pull out Sling strap makes the K40 easy to carry hold onto Built with an internal check valve for use on military-style valves Easily stowed, takes up minimal space, and it floats Also includes a stow bag and assorted adaptors for most contemporary valves, including Leafield, Halkey-Roberts, Summit, Boston, and AD-2 Only has one moving part, making it very easy to maintain Rugged construction is backed by an unlimited 2-year manufacturer warranty Made in the USA by boaters