Replacement filter for the HHOLove CT-FTKRF dog and cat fountain. The filters are specifically designed for the HHOLove fountain. They effectively soften the water and remove impurities. The filter consists of four parts: PP, cotton, activated carbon, and ion exchange resin. It cleans the water of hair, dust, heavy metals, chlorine, and other contaminants. Installation takes just a moment and causes no issues. It is recommended to change the filters every month. Included replaceable filters: 3 filter sponges. Manufacturer: HHOLove. Model: CT-FTKRF. Dimensions: 134 × 134 × 11 mm. Material: ABS, PP, cotton, ion exchange resin, activated carbon.