This value pack of replacement filters and sponges is the perfect way to keep your pet's water fountain running smoothly. Containing 8 new filters and 8 pre-filter sponges, it provides everything needed to purify flowing water for up to 8 months of use. Independent studies show that pets prefer and drink more water from a fountain compared to a regular bowl, as the flowing water mimics their natural drinking habits. These premium filters remove dust, dander and other particles, ensuring your cat or dog always has access to clean, fresh water. At just $1.50 per filter set, this great value 16-piece kit helps support the health of your furry friend for much less than a single vet visit.