Oase 56517 Biotec Filter Garden Ponds 000 Gallons Pet Supply. Pet Supply » All Pet Products » Tropical Fish » Ponds » Fish Pond » Accessories Fish Pond • Filtration Tubing Fish Pond • Plant Fertilizers Fish Pond • Ultraviolet Sterilizers Fish Pond • Water Conditioners Fish Pond • Nets Oase 56517 Biotec 18 Filter for Garden Ponds up to 10,000 Gallons buy bestselling pet products, supply find reviews, ratings, prices List Price: $699.00 You Save: $0 Features • Pond filter; suitable for ponds with up to 10,000 gallons of water • Also fits koi ponds of up to 5,000 gallons; maximum flow through filter is 4,000 gallons per hour • Cleans ponds of dirt and debris; simple to operate and maintain • Multiple filtering chambers; comes with special tool to clean filter sponges • Outlet has 3-inch diameter; filter measures 31 by 23 by 21 inches; can be used with Bitron UV clarifiers [ + Zoom ]   [ Buy Now ] Lawn & Patio : This item is currently not available. Non User