Filter socks are the most convenient form of mechanical filtration. It is strongly recommended to use in your filtration system it can help prevent larger objects, such as sand, crabs, snails, etc. from damaging pump motors，

1 Remove excess food, detritus, organic waste, dust, and other particulates.
2 Removing these particulates from the water column will reduce the amount of organic matter that produces ammonia and other undesirable substances in the aquarium.
3 For the DSB/sump system that installing with the protein skimmer and reactor equipment, filter socks also help prevent larger objects from damaging return pump motors. Meedle wheel pump motors and the reactor recirculation pump motor.
4 It is suitable for fresh water and seasalt water.

It is strongly recommended to use MS hang on bracket to hold it.

Size : 4x14-15"