Product name：ISTA 50pcs BIO-BALL S ( 31.5mm ) Blue Color #I-291
●Helps in distributing smooth water flow through the filter.
●Compact in size to fit small filter or any other filtration system. Works with both marine and freshwater tank.
●Leads the water flow through a longer traveling distance within the Compact Bio Ball to more effectively decompose toxic ammonia and nitrite through biological filtration.
●Leads consistent and steady water flow to achieve best purifying results.
●Non-clogging so intensive cleaning is not necessary. This prevents washing away nitrobacteria colony.
●Numerous chambers inside the bio-cube provide optimal oxygen dissolution.
●Distributes smooth water flow through the filter.
●Provides an excellent biological filtration ability to assure the best water quality.