My vacuum cleaner works much better now and smells better. We have German Shepherds and give our vacuum cleaners a real job. That's why I chose Dyson Animal. After a few years of daily use, sometimes twice a day, my vacuum started smelling like a dirty dog and stopped being as good as new. Instead of replacing a very expensive vacuum cleaner I decided to buy new filters and now it works like new. Plus, no more smelly dog smell. I like my vacuum cleaner again, or at least as much as one can love vacuum cleaners.