Raritans Vortex-VAC technology eliminates the need for vacuum pumps and tanks as well as foot pedals and other mechanical components that can fail.This results in a system that is easier to install and maintain. The vacuum is created in the bowl eliminating old style below deck components. The turboflushing action combined with the remote switch that offers many water usage options team up to conserve water. Small footprint for compact installationAvailable in slant or straight back to fit more hull shapesOne piece vitreous china bowl means great hygiene and looksQuiet operationBuilt in shredder reduces clogsBuilt in loop design eliminates odorsFully programmable and easy to use controlRemote Intake Pump included