5-inch Barrel PumpThe NRS 5 inch Barrel Pump for Rafts is built to last, get wet, and get used. The NRS Barrel pump combines a wide base for sure footing while inflating a raft. The 6. 5' flexible hose tucks into the webbing carry handle for storing on your raft. Wide base for sure footing while inflating a raft. The 6. 5' flexible hose tucks into the webbing carry handle for storing on your raft. This 5" diameter pump stands 2. 5' high and has a stroke volume of 2. 03