Tetra 26049 ReptoFilter Filter Cartridges, Large, 3-Pack Go to amazon.com Related posts Top 12 best tetra filter large: Which is the best one in 2022? FeatureEasy to install reptofilter cartridges keep water crystal clearDisposable filter cartridgeUltra activated carbonMedium size fits the ReptoFilter 90GPH DescriptionReptile filter cartridge