After several unsuccessful attempts to interest my kitten Cat.It fountain, age has made him appreciate the device and I had to change the filter. The product meets in all respects to my expectations and filter water very well (those are the original filters), and is sold on Amazon.com at the best price I could find.
What to see come with 3 filters; it is recommended to change every 3 months and do not forget to rinse them before to evacuate the excess of coal!
