This large filter sock is made for Lifegard Crystal aquariums with a built-in filter. The sock replaces older sponge filtration and traps waste and larger particles to help keep the water clear.
Size: Large
White
Traps waste and larger particles
Plug and play installation
Filters down to the 100 to 200 micron range
Rinse or replace the sock regularly so water keeps moving freely through the filter.