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The Inland Seas Nu-Clear Model 547 is perfect for applications where a biological filter outside the tank or pond is desired, or when existing biological filtration is not sufficient. The filter contains three gallons of premium 1� Bio Balls with a combined surface area of over 60 sq. ft. on a high flow grid. This is enough biological filtration for systems up to 180 gallons. Although this filter resists trapping, we suggest using it after a Model 522 or Model 533 mechanical filter.

Other Features:

• Heavy duty molded PVC construction with a stainless steel lid clamp for secure leak free operation
• 2 year manufacturer guarantee
• Filter bodies are approximately 13" wide and 12.5" tall (overall width with fittings is 15"). An additional clearance of 8� above the filter is required to remove the cartridge for cleaning
• Can be used with the Model 1547 Extension Kit to double the filtering capacity
• 1" FNPT inlet and outlet ports allowing for higher flow rates (up to 1,200 gallons/hr) than similar filters with 3/4" ports.
• All models come with adapters for 3/4" and 1" hose, stainless steel hose clamps, Teflon tape, and a drain valve
• Does not include pump, hose or a method for connecting the filter to your tank. We highly recommend using the Inland Sea Suctions and Returns with the Nu-Clear Filters, and we carry several models of aquarium and pond water pumps.