A Dry Bilge is a clean, odorless bilge. Rule now offers the best, most effective method of removing almost all of the water in your bilge, leaving 1/8" or less, keeping your bilge fresh, clean, and dry. Control panel switch includedDrains the bilge almost dryFilter-free designSelf-priming to 9.5' (3 m)Able to run dry without damaging the pumpBack flow preventionConnections for 3/4" (19 mm) hose barbsRotating pump head and portsCompact and simple design3/4" (19 mm), plastic, 90° thru-hull fitting included