Package Contents: You will receive a sufficient quantity of cat water fountain filter with 8 sponges. Each product arrives in individual, sealed packaging to ensure a longer service life. Appropriate Size: The dimension of our pet water fountain filter is 7.7cm x 4.2cm/3.03in x 1.62in. It is suitable for 108oz/3.2L and 67oz/2L pet water fountains. Quality Material: The cat fountain filter with sponge is made of non-woven fabric and activated carbon. It can effectively filter your pet's hair, dirt, and food particles and more, providing a clean and fresh water for your pet to drink. Easy to Use: The cat water filters are easy to install and replace. Rinse the cat water filter for 3-4 minutes before use. When installing a new filter, make sure it is facing the right way. Refer to the pictures for specific instructions. Usage Reminds: Depending on the frequency of use and number of pets, please replace the filter every 2-3 weeks to ensure your pets have clean, fresh water to drink.Color: Black and White Manufacturer: PEUTIER Model Number: 21031 Package Quantity: 1 Part Number: 1018127 Specification: Color: black and white Material: non-woven fabric and activated carbon Product Size: 7.7cm x 4.2cm/3.03in x 1.62in Package details: 8 x cat water filter 8 x sponge Note: Due to manual measurement, the size and weight may have a certain error. Due to the difference between monitors, there may be a slight color difference.