OsAtNb 5pcs Filter Cartridges for Aquarium Turtle Fish Tank Internal Waterfall Water Clean Pump Bio Filtration Coldwater, Tropical Aquariums Up to 130L(5pcs Cartridges)

Replacement filter for waterfall filter pump,Clean water with Whisper Technology Replace or clean filter cartridges every two weeks or sooner for optimal performance. Filter cartridges replacement for OsAtNb 600L/H turtle filter 5W Dense, dual sided mesh to catch debris and waste absorbs odors and discoloration,provide a healthy water for your aquarium