Description
- Media bag size: 12-inch x 10-inch
- Maximize multifaceted filtration area to support biological filtration and help promote the growth of beneficial bio-spira bacteria
- Easy to rinse and clean, they are lightweight
- Safe for use in fresh or saltwater aquariums cultivates nitrifying bacteria use in biological filters and gas exchange reactors
CNZ2-inch Bio Sponge Ball with Filter Media Bag for Aquarium and Pond, 24-Piece