Eheim Substrat Pro Biological Filter Media (Sintered Pearl-Shaped Glass) 1L

• Made of highly porous artifiical sintered glass material
• Unbeatable surface area structure of 1800 sq ft per gallon
• Provides longer intervals between required maintenance
• For use in all EHEIM filters (Classic, Ecco, Pro 3, Pro 3e)
• International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

Product Description EHEIM Substrat Pro Biological filter media is specially shaped to create a better water throughflow to provide longer intervals between required maintenance. Its open structure for enhanced water penetration provides better bacterial colonization. Directions As a filter medium, it can be reused every 1-3 months by gently rinsing with aquarium water and replaced every 3-6 months.