1. High performance - this structure guarantee the water get filtered by sponges before pumping out .
2. For quiet water circulation and enhancing aeration and water filtration.
3. Energy saving and eco friendly
4. Low noise, durable and reliable.
5. Fully submersible and ideal for all types and all sizes of aquariums.
Bonds with rock, stone, wood and most aquarium and pond materials
comes with two color grey and brown that blends into shadows
Won’t discolor like conventional foam – no painting needed
Expands to fill gaps and voids
Easier and less expensive than mortar
Fills holes in trees to seal out pests
Use as a craft foam for artificial plants