Oase Biocompact 50 Internal Aquarium Filters – 15 Gal

• Designed to be discreetly installed horizontally or vertically perfect for small freshwater aquariums and paludariums
• Uses biological mechanical and chemical filtration for optimal water quality and clarity
• Activated carbon absorbs unwanted substances in aquarium water
• Suitable for use in aquariums up to 15 gallons
• Sound dampening design