Red Sea 100 Micron Felt Fine Polish Filter Bag
DIA;10cm/4'' Inch
Round Ring Neck
100 Micron
Lenght;26cm/10.5''Inch.
Simple, effective sock is just that a cloth bag where water falls into the top via a rigid or flexible pipe
from the main tank above and dirt particles are trapped in the fine material.
Very effective and good for polishing water with no other form of mechanical filtration.