Package includes: you will receive sufficient of sponge for drinking fountains, sufficient can your use and replacement needs, providing clean drinking water for your pets. Size information: the pet foam filter is specially designed to be compatible with the 84 / 2.5 liter water dispenser; Please pay attention to size buying to prevent wrong buying. material: the filter is made of sponge, offers filtration to the pet water , brings clean and water to your pets, making your pets be willing to drink . Filter impurities: the drinking sponge filter can filter impurities , capture pet's hair and debris, drop of water is healthy, make the water cleaner and fresher, and extend the service life of the pump. Warm tips: the sponge filter is not suitable for repeated use; Since the filtered impurities will remain on the sponge, it is more suitable to replace the sponge filter 2-3 weeks. Colour: black Material: sponge Size: about 6.5x3x3cm Package Contents: 8 * Sponge Filter for Replacement Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.