10-20 Gallon Aquarium Filters Ez-Change #2 Filter Cartridge Fit Aquarium Filter Cartridge 10 To 20 Power, For Healthier Fish (4

&Nbsp;Ez-Change #2 Filter Cartridges Aquarium Filter Cartridge For 10 To 20 Power Filters Makes Aquarium Maintenance Simple And Easy.&Nbsp; ??These Cartridges Contain For Maximum Filtration And Require No Messy Assembly – Simply Change In Seconds By Shaking And Rinsing.&Nbsp; ??Complete 3-Stage Filtration For Overall, Cleaner, Healthier Fish Size : ??4.4 X 4.7 X 6 In. Contains Content: ??2/4/6/8/10/12/14/16 Aquarium Filter Cartridge Complete 3 Stage Filtration System: In Stage 1: ?? The Filter Cartridge Floss Screens Out Dirt And Debris. ?? Molded And Ribbed Back For Maximum Water-To-Carbon Contact. In Stage 2: ?? Inside Filter Cartridge Removes Odors, Discolorations And Impurities. ?? Change The Used Replacement Cartridge Monthly As Carbon Deactivates With Use. In Stage 3: ?? Which Comes With Your Power Filter, Never Needs Replacing; Ensures Elimination Of Toxic Ammonia And Nitrite; And Has A Unique Design That Will Not Clog!