BUGUUYO 30pcs Fish Tank Sponge Filter Aquarium Filter Floss Ceramic Filtration Rings Aquarium Strainer Pre Filter Sponges Sponge Filter for Aquarium Filters Protection Cotton Cover - 1006182182918

• Sponge filter-- - sponge attached to the filter, prevents debris from entering the filter barrel, prolonging the use time of the filter media. Filter aquarium-- enhance biological filtration: these pre-filter sponges could help to particles and debris,and prolong the life of your filter media,provide efficient water flow with less clogging for long lasting filtration. Aquarium strainer-- premium quality sponge connects to filter debris from entering filter barrel, extending filter media usage time. Replacement sponge filters-- prevent young fish and shrimp from being sucked into the filter tank. Fish tank filtration sponge-- enhanced filtration: these pre- filtered sponges can help capture particles and debris, and extend the life of the filter medium, provide effective water flow, which is small for long- term persistent filtration.