JUWEL Poly Pad catches coarse particles of dirt in the water, thereby serving as a mechanical pre-filter.
CHARACTERISTICS
Serves as a mechanical pre-filter
Protects other filter media from rapid soiling
Made of residue-free polyester material
Suitable for use in freshwater and saltwater aquariums
 
JUWEL Poly pad is used to catch coarse particles of dirt in the water.
As a mechanical pre-filter, it protects the filter from rapid soiling and means that you don't have to clean the other filter media as often.

JUWEL filter floss consists of fine, residue-free polyester material and is suitable for use in both saltwater and freshwater aquariums.
It comes in four sizes, in packages of up to 5.