- Efficient Pre-Filter Foam: This high-quality vorfilterschaum effectively removes hair, dirt, and food residue before they contaminate the water in your pet fountain. - 4 Durable Replacement Sponges: This package includes four pieces of sponge foam, ensuring you have enough replacements for regular maintenance. - Easy Maintenance: To keep your pet fountain in optimal condition, replace the filter every 1-2 weeks. The sponge foam is washable and reusable, promoting sustainability. If multiple cats use the fountain, more frequent replacements may be necessary. - Compatibility: This replacement foam is designed to fit both round and square stainless steel pet fountains, providing versatility for various models. Use Scenarios: - For homes with multiple cats: The filter efficiently captures excess hair and debris, ensuring clean and fresh water for all pets. - Ideal for pet owners who value hygiene: Regular replacement reduces harmful bacteria growth, offering peace of mind for your furry friends' health. - Perfect for busy lifestyles: Easy to clean and replace, this foam filter guarantees your pet fountain remains functional and safe without extra hassle.