The Hagen A1362 is designed to fit the following aquarium filter:
The AquaClear 30 - A1362 Fish Tank Nylon Bag - 2-Pack has fine mesh that holds small grained filter media. This AquaClear bag filter may be used in both fresh and saltwater aquariums. This aquarium nylon bag helps keep your aquarium clean and clear. These replacement nylon bags come in a convenient 2-pack.
The Hagen A1362 specifications: