Features:

1. Utilizes the latest sintering technology to create an enhanced, ultra active media. Cylindrical porosity design allows a large population of bacteria to grow in a minimal space, while pores are perfectly sized for bacteria colonies.

2. Open structure, and high surface area results in superior flow-through the characteristics and absorptive efficiency. 

3. 1L of Active filter treats up to 50L of aquarium water.

4. Replaced every 12 months

5. Recyclable for plant soil use