Photo 1 of 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 Water

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Photo 1 of 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 WaterPhoto 2 of 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 Water