Key Features

• 【Compatibility】：Please check the main images and product description to confirm whether this filter fits your Roman Column Style Ceramic Pet Water Fountain. For other fountain models, compare the shape and size of filters to ensure proper matching. You can find replacement filters for more fountain styles in our store.
• 【Regular Filter Replacement】：It is recommended to replace the filter and sponge every 1 to 2 weeks to maintain optimal filtration performance and supply fresh, clean water for your cats. Encouraging adequate water intake helps reduce the risk of urinary tract issues for pets.
• 【Multi-Layer Filtration System】：This cat fountain filter is made of natural cotton fiber, activated carbon and ion exchange resin, and it is BPA-free. Activated carbon purifies water and eliminates unpleasant odors; ion exchange resin absorbs trace heavy metals to soften water; the foam sponge traps pet hair, dust and food residues.
• 【Easy to Use】：Rinse the filter with clean water for 2 minutes before use to flush off loose activated carbon dust and activate the filter, enabling it to work efficiently quickly.
• 【Warm Reminder】：Filter dimensions: 3.74×1.69×0.78 inches; Sponge dimensions: 1.18×0.78×0.31 inches. Make sure to thoroughly rinse the cat fountain filter with clean water prior to use for optimal performance and water quality.

Specifications