The Sanigrind Pro is a grinder unit only and is designed to work with a standard bottom outlet toilet. Build a complete bathroom and more; for residential and commercial applications. Great for retrofitting applications. Can be installed in many locations such as a loft/attic, upper floor, ground floor, basement and even a garage. Whether you're finishing a basement, converting a garage or installing a bathroom in a master bedroom, Sanigrind Pro is the answer.