Sewer Solution lets you dump and clean your holding tank without exposure to raw sewage or odor, through a 3/4" plastic dump hose. 3" sewer hose is no longer necessary! Your garden hose attaches and a high-velocity water jet creates a powerful venturi-effect pumping action that pulls sewage from RV and ejects it out the discharge hose. The shear force of the water jet liquefies waste and tissue. Pumps up to 8 gal./ minute up to 30' with the 3/4" dump hose. Includes clear polycarbonate pump unit, 10' Sewer Solution dump hose, garden hose-quick-connect iwth back-flow preventer and adapter for connecting to 3" and 4" sewer pipes or 1" PVC pipe.