Upgrade your pet's drinking water with PET STANDARD Water Filters that are compatible with Kastty® 101Oz/3L Fountain. These filters are made of high-quality carbon fiber material that removes impurities from the water, ensuring that your furry friend stays healthy and hydrated. With a duration of 4 weeks and product dimensions of 5\"D x 5\"W x 0.38\"H, these filters are perfect for pet owners who want to provide their pets with clean and fresh drinking water. The item model number, PS-KASTTY3L-12PK, ensures that you are getting a genuine product. These fountain filters are suitable for dogs and other pets and weigh only 11.7 ounces. The product benefits include removing impurities, making the water fresh and clean for consumption. This product falls under the categories of Pet Supplies, Dog Supplies, Dishes, Feeders & Fountains, and is a great addition to any pet owner's collection.