https://youtu.be/M6IWY5nEZm0 The Pronto!™ is the adjustable floor drain with an integrated level that provides maximum efficiency and accuracy during installation. Pronto! drains: Use an integrated bubble level to aid in leveling. Are completely assembled, ready to install. Include two pre-packaged shims for tilt correction. Learn more: https://www.watts.com/pronto Read more