sera 生物过滤纤维 （细丝）
For the prefiltration of coarse dirt particles
sera biofibres for the biomechanical prefiltration effectively collect coarse dirt particles. Thus, you can protect the following filter media from coarse pollution and increase the biological efficacy of the filter. sera biofibres also serve as an excellent spawning medium and as hiding place for fry. Suitable for filtration of fresh, marine and pond water.
|sera 生物过滤纤维 （细丝）||40 g||08450|