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Code expires 12/13/13
Hagen Laguna PowerFlo External Biological Filter 4500 is ideal for larger ponds up to 1000 US gallons or 4500 L. Flow rate is 500-1000 gph.? The external pond filter features an efficient 3-tiered filtering system that provides complete mechanical and biological filtration.
The top tray houses pumice filter material (included) which provides mechanical and biological filtration. Below the top tray, a foam pad (also included) performs mechanical filtration. The bottom tray is designed to hold the biological media of your choice, such as Laguna BioMax(not included). The trays have convenient handles which allow you to remove them easily.
Other features include a built-in drain plug and two outlets for creating waterfalls or connecting to other pond equipment such as a UV Sterilizer. The filter is designed to be installed outside the pond, which allows easy access for maintenance. A Universal Click-Fit coupling for 3/4", 1" and 1 1/4" inlet tubing is also included.