CatGenie The world's only self-flushing, self-washing cat box. You'll never touch, change or buy cat litter again. The CatGenie Secret? Washable Granules not litter. Collecting cat waste in a box of litter is unsanitary. Cleaning the mess out is unpleasant and carrying heavy cat litter in and of the home is just a plain waste. The CatGenie is dust, germ, odor, and litter free and automatically washes, sanitizes and dries itself. CatGenie has a Two-Year Warranty. Easy DIY set-up. Recommended setup locations: Bathroom (toilet) -If you have a rigid water line in your bathroom, you may need to replace it with a flexible one) or Utility/laundry room. When you purchase the CatGenie, everything needed to make your home litter free is included: The only tools needed are a wrench or a pair of pliers. Some non-standard hookups may require additional parts not provided by PetNovations, Inc. Included supplies should last over 3 months for 1 cat and about 2 months for 2 cats. More Cat Activation Choices- Cat 1 - 14 straight hours active, 10 hours sleep time (you choose when it is on) with a 10 minute delay after the cat uses it to clean Cat 2 - 14 straight hours active, 10 hours sleep time (you choose when it is on) with a 30 minute delay. For multiple cats giving them time to use it before it cleans Cat 3- 24-hours active, with a 10 minute delay after the cat uses it to clean Cat 4 – 24-hours active with a 30 minute delay. For multiple cats giving them time to use it before it cleans The CatGenie is the greenest cat box ever and quite possibly, the most economical. The plastic in the SaniSolution Cartridge is biodegradable and does not need sun just bacteria or you can take the plastic case and recycle it (unlike cat litter which is neither biodegradable or recyclable). Each cartridge holds 120 washes and when set on Cat Activation provide 240 washes (A year supply of Cartridges takes up less space and uses less plastic than 1 container/1 months supply of cat litter).