From the large Aquaculture industry to the home hobbyist, Bio-BaleTM is the filter medium of choice for professionals. Simple in concept, Bio-BaleTM owes its extreme effectiveness to its high surface area versus volume and its uni...
Add the benefit of a pre-filter to your existing sump with ease
Easy to install
Easy to change & clean the filter sock
Very high quality
Dimensions: 5 1/8" L x 4 3/4" W x 1 3/8" H