Improves water clarity, color and odor Broad spectrum organic compound removal Suitable for freshwater or marine aquariums Does not change water characteristics 6 Pack

Premium, research grade, low-ash carbon Improves water clarity and color, while also removing odors Effectively removes heavy metals, odors, discolorations Remove when medication is being administered in aquarium water; Use carefully when keeping live plants 3-pack; Economical way to purchase...

Provides effective chemical filtration Custom fit for the Fluval U3 Filter Traps fine debris, improves water clarity and removes impurities Easy to replace Works in freshwater, marine or reptile environments