Oase 55906 Biosys 300 Skimmer Ponds 3000 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 55906 Biosys OP-300 Skimmer for Ponds Up To 3000 gallons buy bestselling pet products, supply find reviews, ratings, prices List Price: $184.50 You Save: $0 Features • The Biosys OP-300 Pond Skimmer is installed on the outside edge of the pond and skims floating debris from the surface of the water much like a swimming pool skimmer • The fish-safe bellows inlet allows fish to escape should they venture into the skimmer • The debris basket and filter mat design insure maximum screening to prevent pumps from clogging • This skimmer is designed for use with an Oase Aquamax pump (sold separately) and is suitable for ponds up to 3000 gallons • The bulkhead fitting included features a stepped hosetail design to accomodate flexible tubing from 3/4" to 1-1/2" diameter (see picture illustrating a typical installation) [ + Zoom ]   [ Buy Now ] Lawn & Patio : This item is currently not available. Non User