"Specifically designed for harsh saltwater conditions, you can count on the highly versatile Johnson Pump Aqua O2 800 GPH 12V Cartridge Aerator Pump to exceed the demands you place on it. First and foremost, this pump features an enhanced motor with a high-flow impeller, which means its high-efficiency design pumps up to 800 gallons per hour for premium performance whenever you need it. The water-cooled motor features a 316 stainless steel shaft and permanently lubricated double bearings. Overall, this saltwater pump has been constructed with meticulous engineering, durability, and performance to tackle challenging situations. Second, its versatility is hard to top. The Aqua O2 design allows it to effortlessly adapt pump positioning from straight and angled through-hull inlets to direct mounts for wash down systems this unit fits into difficult spaces for easier installations. It achieves these feats thanks to its 360 pump discharge rotation, dual port inlet, and the included straight and 90 inlets. Also, with its industry-first quick-change motor connection, you'll enjoy hassle-free motor changes if you want to make an upgrade. 7.87""H x 5.16""W x 3.31""D. Weight: 17.4 oz. Hose connection: 3/4"". Designed for harsh saltwater conditions Pumps up to 800 gallons per hour Easy-adapt positioning fits difficult spaces Industry-first quick-change motor connection Enhanced motor with high-flow impellor Permanently lubricated double bearings 316 stainless steel shaft Includes straight and 90 inlets"