Description: The activated carbon filter use individually packaged and sealed to maintain high quality. The filter diameter is 12.7cm/5inch, which is compatible with most brand round automatic pet flower water fountains and another same size. Specifications: Color: White Material: Activated Carbon Style: Practical Package size: 13.813.80.2cm / 5.435.430.07inch Package weight: 80g / 0.17lb Packing List: 1 * Activated Carbon Filter