RL-FMC JBJ Rimless Desktop Replacement Filter Media Cartridge (2 pack)
JBJ now offers replacement filter cartridges for your Rimless Desktop aquarium. These cartridges fit the RL-6-CP, RL-8-FP, RL-10-FP, and RL-10-FPP. The box has enough filter media for four changes. It incorporates a fine sponge, a coarse sponge, activated carbon, and ceramic rings in a plastic cartridge.