Size: The size of the fountain filter is 12.5 x 12.5 x 1 cm, and the diameter of the center circle is 3.3 cm. Measure your fountain and check if the filter can be built into your fountain before ordering. High Quality: The replacement filter uses natural non-woven fabrics, coconut shell activated carbon and ion exchange resin. It can catch pet hair and dust, effectively filter dirt and remove bad odors in the water. Easy to use: Just put the raised side up and the flat side down, easy to install. Rinse the filter with water before use. Tips: We recommend changing the replacement filter every 2-4 weeks to keep the water clean. Hantoc always pay attention to the health of pet drinking water and help your pets love drinking water.
