Aquaclear Bio Max Filter Insert (20 - 50 Gallon) eye A controlled release system maximizes

A controlled release system maximizes the life of the attractant and protects the attractant from environmental degradation

guinea pigs and more

It is equipped with a translucent blue top that is sure to add some color to your companions cage

Feature a clip so you can attach to side of cage so it stays in place

Aquaclear Bio Max Filter Insert (20 - 50 Gallon) eye A controlled release system maximizesAquaClear Bio Max Inserts increase the biological filtration efficiency of your aquarium filter, while enhancing its ability to reduce harmful ammonia and nitrites. These highly porous ceramic rings provide maximum surface area to facilitate the growth of beneficial bacteria. These bacteria break down toxic water contaminants and help to create a clean, healthy aquatic habitat for your aquarium fish. Expands biological capacity of aquariums Provides