Top Fathom TF100A PROTEIN SKIMMER its 20" Hi, 6 1/2" Dia. Water in 1/2, water out 3/4. Min phi 3-5, GPH 120-200. Aquarium size to 100 gal. Top Fathom are the most efficient protein skimmers available. A properly sized pump is required to optimize this skimmer. $120 or best offer
