arlson 4 inch Kayak & Raft Barrel Pump – Save time and energy pumping up your raft. The Carlson Raft inflation pump is simply the finest inflation device in the world. Perfect for inflating and topping off rafts, this very dependable barrel pump will give you years of life. The heavy-duty PVC barrel offers great durability, and the patented waterproof foam o-ring does not require grease. The extended non-kink hose makes it easy to reach your valves. Perfect for personal use or for outfitters with kayaks or small boat fleets.