The cat water fountain filter is constructed of reliable material and with simple shape, ensuring break and practical usage, to safe use. The pet fountain filters have nice filtration, easy to install, with a simple installation process for using. Features -Color:Light Grey -Material:Plastic -Size:4.50X4.50X4.50cm/1.77X1.77X1.77in - The pet water fountain replacement filters can encourage your pet to drink more water. - Make your pet drink more and getting healthier, using filters is an to keep the water fresh. - Easy to install and replace, no need for special tools or skills to install these filters, more convenient. - Safe and convenient to use, not easy to break or deform, reusable and can be applied for longtime. - It has a simple design, but very practical in use, giving you a . Package list: 1 Water Fountain Filter