Active carbon filter to filter impurities in the water. Separable 304 stainless steel food bowl, easy to clean. Easy to use, turn to close, firm and sturdy. Push switch, water will not flow out of the bucket when changing water; Non-slip mat, not easy to knock over Environmentally friendly and durable PP material. Note: This product includes only a pet food bowl & automatic water feeder, excludes any other item. Due to different lighting and screen settings, the color of the item may differ slightly from the picture. Due to manual measurement, please allow slight difference in dimension. What's in the box? 1 x Pet automatic water feeder & food bowl