【High flow】The RV dump pump empties 40 gallons wastewater of sewage tanks within 5 minutes, and supports long-distance（32FT） dumping wastewater. The flow is up to 12GPM, lifting up to 10FT, which save you more time..【Wide application】 Macerator pump can connects to the standard 3 "RV black water tank outlet. It can also be used with the sewer hose kit to clean up and transport sewage for your life..【Crushing & Cleaning】 The sewage pump design fresh water flushing function and manual crushing function. Builted-in a double 4-blade cutter to crush the dirt into small particles with less than 1/8 "(3.17 mm), and quickly discharge through the 25mm outlet. The garden hose connector designed with rotary switch can control the water flow to clean the residue in the pump..【Remote control】The package comes with 16.4FT (5M) cigarette lighter power cord convenient for you to control of pump start or stop working..【Warranty】Thermal protection, dry-running protection up to 30s. 4 year warranty. If you have any questions, please contact us via Amazon message, we will reply you within 24 hours.