12 Pack Replacement Filters & 12 Pack Sponges Compatible with Smartoo Cat Water Fountain Models 152oz/4.5L PTM-643 – Keep Your Pets Hydrated with Fresh Clean WaterFashion

Seamless Compatibility:The cat water fountain filter and Pre filter sponge are compatible with Samrtoo 152 oz/4.5 L Wireless Stainless Steel Cat Water Fountain PTM-643

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In the Box :Package includes 12 pack of Cat fountain replacement filters and 12 pack replacement filter Sponges

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5-Layer Filtration System: The first layer of sponge removes particles, the middle layer of activated carbon eliminates odors, medical stone removes heavy metals and releases trace elements, ion exchange resin softens tap water, and the final layer of high-density sponge helps remove fine particles. This system effectively improves the taste of the water and keeps it clear

Frequency of Replacement: To ensure water freshness, it’s best to replace the filter and sponge every 1-2 weeks. If you have multiple cats using the fountain, it’s recommended to clean it and replace the filter more regularly

Tips: To prevent coconut activated charcoal dust from entering the water, soak the filter in water for 2 minutes and rinse it under running water before use