Material:Made of eco-friendly materials, the pet water fountain filters help ensure the water quality and provide healthy and pure water to protect your pet’s health. Compatible:The cat water fountain filter is compatible with 360° stainless steel cat fountain and cupcake ceramic pet drinking Fountain. Filter:The carbon filter helps purify the water and eliminate bad odors, while the foam filter blocks out any hair, dust or food debris. Clean:Before use, soak and flush the filter with clean water，clean the filter every time you change the water of the pet fountain, and change the filter every 2-4 weeks. Package:The package contains 8 cat fountain replacement filters and 2 pre-filter sponges.
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