– Best for ponds, freshwater and saltwater aquariums
– Can be cut to any size you would need
AZOO’s Filter Sponge is made of non-woven fabric, which can absorb large suspending substances and fragments. It can effectively purify the water and make it crystal clear. It can also be used as a biological filter material to incubate microorganisms. This filter sponge is made of high quality materials to justify its durability.
Measurements: 39.5″ x 4.5″ x .75″
Directions: 1. Place AZOO Filter Sponge closest to the water inlet. 2. Needs to be replaced when the water flows slowly.