Rite-Size Cartridge B, 24-Pack (4 Packages with 6 Filters Per Package)

Rite-Size Cartridge B, 24-Pack (4 Packages with 6 Filters Per Package)You may also like Aquarium Fish Tank 4.5 Gallon Starter kit, Self Cleaning System Efficiency Filter 7 Color LED Lights and Timer, Plastic Small Fish Tank for Betta Guppies Neon Snail Ornamental Shrimp.