Tony
South Ocean Five 4" x 12" Filter Bag
inTank is the only online source for buying these bags ion this size.
this size is perfect for carbon and other filter media. It is the perfect size for my SeaChem Tidal75 HOB Filter.
The South Ocean Five Filter Bag can be used for various media, such as phosphate removers, nitrate removers, carbon and ammonia remover. Perfect for sizing down Chemi Pure. It prevents filter mediums from spreading and is made of heavy nylon for better water flow.