Features: brand new and high quality for Pet Safe Drinkwell Avalon, Pagoda, 2 Gallon, Sedona and Sedona Pet water fountains. Filters should be replaced every 2 to 4 weeks to extend the life of your fountain and pump. These filters can filter out hair or other sundries, the charcoal removes odors and more, will make your pet healthier. 8 Pack premium charcoal water filters, Removes bad taste and odors, keeping water for fresh. This ceramic filter is easy to install on the pet safe fountain. Please note that rinse the filter with water before use, then you can clean the fine toner produced during transportation to make it look clean and delicious, so that your pet falls in love with drinking water. Package Includes: 8 x Pet Water Fountain Replacement Filters Specifications: Material:Sponge, Activated Carbon Color:White Size: Approx. 14x10x6 for cm/5.51x3.94x2.36 inches note: 1.Please allow 0-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3.Other parts are not included. Thanks for your understanding.