The AONBOY Pet Water Fountain
This listing is for 2 unopened boxes of 12 (24) plus one opened box with 6 filters in their original unopened plastic wrap. Total is 30 filters. No sponge filters are included. Replacement Filter is designed for cat and dog use, offering triple filtration with 12 filters per box. Made from Acrylonitrile Butadiene Styrene (ABS) material, the filter helps ensure clean and fresh water for your furry friends. With a weight of 0.51 pounds and dimensions of 5.79x5.71x4.29 inches, this filter is easy to install and should be replaced every 2-4 weeks for optimal performance. The white color and compact size make it a convenient and practical choice for pet owners looking to keep their animals hydrated. These list for 21.99 per box on Amazon. I changed to a different fountain type.