The Model 566 canister filter is perfect for ponds and systems with a large bio-load. This filter will hold seven pounds of activated carbon for absorbing dissolved organics, odors, etc. Includes seven pounds of premium activated carbon. Other Features:Heavy duty molded PVC construction with a stainless steel lid clamp for secure leak free operation2 year manufacturer guaranteeFilter 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 cleaning1" 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 valveDoes 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.