8 Pack Qzbhct Foam Filter Sponge for Round and Cubic Stainless Steel Top Cat Fountain Filter Replacementfor Crystal and Fantasy Cat Fountain

Qzbhct Sponge Foam Filters Cat Fountain Filter Replacement; Pre-filter foam removes hair, dirt and food particles before the water goes to the pump; Replacement foam filters for Qzbhct Round and Cubic Stainless Steel Top Cat Fountain, for Crystal and Fantasy Cat Fountain; Easy to replace: Can be quickly change the filters, capture debris and filter water to keep it clean and fresh for your pet; Suggestion: Change every 2-4 weeks depending on usage.