The Dymax GS30 is a 7-gallon tank with rimless ultra-clear low-iron glass and chamfered edges. It comes with a fully integrated filtration system powered by a 400L/H return pump. The versatile design makes it suitable for various types of aquatic life, such as freshwater fish and plants, marine fish, and shrimp. The tank also includes a designated space for a protein skimmer (sold separately) for saltwater applications. Its compact design makes maintenance easy and its glass has better clarity than float glass. The edges are chamfered and have no sharp edges. This purchase includes a glass cube aquarium, sleek overhanging LED lighting, a complete filtration system, and an adjustable return pump. The tank has a capacity of approximately 7 gallons (27 liters) and is made of low iron glass. Its dimensions are 30cm (H) x 30cm (D) x 30cm (L).