The Laguna PT505 includes the following:
The PowerFlo Max - Underwater 3 Chamber Pond Filter includes a PowerFlo Underwater Filter with Foam and Biomax filter Media and a Fast Coupling. This underwater pond filter provides superior biological and mechanical filtration for ponds up to 3,028 liters in size. This pond filter can be used with any pond pump and provides easy access at the pond side.
PowerFlo Max - Underwater 3 Chamber Pond Filter specifications: