Powerful Grinding & Clog Reduction: Equipped with double 4 spiral blades, this RV macerator pump grinds waste to 1/16 inch, reducing clogging by 95%, and switch the garden hose discharge for quickly release sewage and residue rinsing High Flow & Fast Waste Disposal: Featuring a 12 GPM (gallons per minute) flow capacity, our powerful macerator pump quickly empties a 150L (40-gallon) sewage tank in just 5 minutes. Self suction lift of 3.2 feet and drainage lift of 10 feet. Whether you’re camping or stopping midway, our sewage pump empty wastewater quickly, saving your waiting time Durable All-Copper Moto: Built with a high-performance all-copper motor, our macerator pump for cleaning sewage delivers low power consumption, stable operation, and low noise. It includes a built-in thermal overload protection system that automatically shuts off when overheating and restarts when the temperature returns to a safe range, ensuring durability and long-lasting use Easy Power Connection: This rv macerator pump comes with two power cables: a 7ft cigarette lighter adapter and an 11.4-inch alligator clip adapter, making it easy to connect to different power sources. The flexible power options ensure quick and reliable operation without additional tools Self-Priming & Easy Cleaning: Designed for effortless maintenance, this self-priming sewage macerator pump features a freshwater rinse system and manual crushing function, ensuring effective cleaning after each use. It seamlessly connects to a standard 3" rv waste outlet, making it the perfect solution for quick and sanitary waste disposal when breaking camp Notes and Guides: Please check the manual before using macerator pump for rv. Pour a small amount of water into the water inlet to wet the inner wall for smoother work. Any issues for macerator pump please reach out via Amazon Message Center and we will give you professional technical support