Ensure your pet drinks fresh, clean water with 16 Drinkwell Premium Charcoal Water Filters. These filters are designed to reduce chlorine, sediment, and other contaminants, providing your furry friend with pure, oxygen-rich water. Compatible with Drinkwell Original, Platinum, Big Dog, Multi-Tier, Outdoor Dog, Mini, Everflow, and Zen fountains, this bundle includes 16 filters, making it a convenient choice for multiple pets or frequent refill needs. Each filter is crafted from high-quality charcoal, offering a effective filtration solution for your cat or dog's drinking water. Keep your pet's hydration needs met with this essential pack of Drinkwell water fountain filters. This is an open box item, with a mix of filters from PetStandard and Drinkwell. The filters are individually wrapped and are brand new.