AI-Powered Litter-Free Self-Cleaning Cat ToiletPetyPot works with cat scratcher resistant pad rolls that absorb liquids superiorly. After a cat does its business, PetyPot automatically replaces the used pad with a fresh one from a clean roll. One roll lasts up to 15 days per one cat. SPECIAL ROLLS AND SIMPLE WORKING PROCESS Traps odorsSolid waste, along with the entire dirty pad, is wrapped and sealed in a special box, so you wont have to deal with unpleasant odors. A carbon filter can be added