Key Features

• Compatible Only with Smartoo 152oz/4.5L Cat Fountain PTM-643 – Specifically designed for this model to ensure a perfect fit and optimal performance. Please check dimensions before purchasing.
• Length is about 4.20 inch. Width is about 4.00 inch. Thickness is about 0.25 inch.
• Advanced 5-Layer Filtration System – Includes a pre-filter sponge, cotton layer, activated carbon, medical stone, and ion exchange resin to effectively remove hair, heavy metals, and impurities while improving water taste.
• Helps Maintain Fresh and Clean Water – Filters out dirt and debris to keep your pet’s drinking water pure and healthy, encouraging proper hydration.
• Regular Replacement for Best Results – Soak the filter in water for five minutes before use and replace every 1-2 weeks in summer or 2-4 weeks in winter. More frequent changes may be needed for multi-pet households.

Specifications