Color white Material Resin Item Weight 181 Grams Power Source Electric Cable Target Species Cat See more About this item Not Compatible With "Catit""Toozey" Brand Fountain: Our fountain filter fits most 1.6-2.5 liter cat fountains! Dimensions: outer diameter 12.5 cm, inner diameter 3.5 cm, thickness 1 cm. Effective filtration: The filter includes activated carbon and ion exchange resin, which can help remove chlorine, odors and contaminants, effectively filtering dirt, encouraging your dogs and cats to drink more and promoting health and hygiene pets. Easy to Install: Rinse the fountain filter 3-5 minutes before use. Keep the filter completely wet to remove carbon dust and keep the flat side up to ensure the best filtration. Then the installation is complete. Precautions: We recommend changing the filter every 1-2 weeks. Regularly change water and clean pet fountains so that pets can drink healthier water.