Features: Ensure cats staying hydrated and healthy with our water fountain filters for pet drink fountains. Our filters effectively filter impurities and eliminate odors, providing clean water for pet. Suitable for small cats owner, family who take notice of their pet healthy, and pet store owner seek filtration solution. Our round shaped filters offer a fashion appearance and easy cleanning, ensuring convenient usage. Create a clean drink environment for small cats. Specifications: Texture: Nonwoven Size: As Picture Shown Type: 15pcs, 30pcs Package Includes: 15pcs/30pcs Pet Water Fountain Filter note: 1: Please allow 1-2cms errors due to manual measurement, ensure that you not mind before your order. 2: Due to the differences between different monitors, the picture may not reflect the item actual color.