Hang-on filter sock holder fits standard 4" filter sock, to remove excess food, detritus, organic waste, dust, any particles and results in crystal clear water.
Specifications : BM-4
Dimensions - 4.2" x 7.5" x 1.8"
Max Rim Thickness - 0.90"
Filter Sock Opening - 3.6" Diameter
What's Included?
1x Filter Sock Holder
1x 200 Micron 4" Filter Sock