Package includes: you will receive sufficient of sponge filters for drinking fountains, sufficient can meet your use and replacement needs, providing clean drinking water for your pets. Size information: the pet fountain foam filter is specially designed to be compatible with the 84 oz/ 2.5 liter water dispenser; pay attention to size buying to prevent wrong buying. Quality material: the fountain filter is made of sponge, offers filtration to the pet water fountain, brings clean and water to your pets, making your pets be to drink . Filter impurities: the drinking fountain sponge filter can filter impurities well, capture pet's hair and debris, that drop of water is healthy, make the water cleaner and fresher, and extend the service life of the pump. Warm tips: the fountain 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 Fountain Replacement Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.