• Compatibility: Compatible with 2.5L (84.5 fl oz) Blue, Green, Pink, White whiskers pattern pet fountain. Please check your fountain model before purchase.
• Triple Filtration System: Composed of a cotton layer, activated carbon and an ion exchange resin. Effectively to filter hair, heavy metals.
• Filter Size:Length is about is about 3.3 inch. Width is about 3.3 inch. Diameter of hollow circle is about 0.6 inch. Thickness is about 0.38 inch.
• Package: The Pack Includes pack of 12 cat fountain replacement filters.
• Note: Please soak 5 minutes foam filter before use. Replace filter every 2-4 weeks.