Brondell Bidet Installation The Swash high-toilet seat installs directly on your existing toilet. We designed the Swash to fit over 98% of residential toilets in the United States, allowing us to provide its amazing benefits to nearly all American households. Best of all, just about anyone can install it, usually in under an hour! Tools Needed for Self-Installation    • Flat head screwdriver • Universal wrench (included)  • Phillips screwdriver • Measuring Tape Four Easy Steps   Swash 400 Owner's Manual (Adobe PDF) Swash 600 Owner's Manual (Adobe PDF)