The Hagen PT1774 system includes the following filters:
The PowerFlo 5000 Skimmer Pond Filter System - PT1774 helps maintain clear and healthy water in large ponds up to 5,000 gallons/18,925 L in size. The PowerFlo filter features 3 large capacity media chambers that can hold special filter pads, biological, and chemical media. The PowerFlo 5000 collects leaves and other large debris in the first chamber, while thoroughly cleaning and filtering finer material in the remaining chambers.
PowerFlo 5000 Skimmer Pond Filter System - PT1774 specifications: