The Grande Biofalls filter is capable of filtering ponds up to 10,000 gallons. This large, three-stage filtration unit has a huge settling chamber, thick biological filter pads and drawstring nets for biological media (not included). Made of heavy-duty polyethylene construction. Comes with 3" bulkhead and male flexible PVC pipe adapter. Dimensions: 24"x79.5"x36". Has a 48" lip.