Marina Foam keeps aquarium water clean and healthy by removing particles and debris. Suitable for use in Fluval EVO 13.5 Gallon Aquarium and Fluval SPEC 16 Gallon Aqauarium

• Replacement Foam Filter Block
• Traps Large Particles and Debris
• Helps Keep Your Aquarium Crystal Clear
• For Fluval EVO 13.5 and SPEC 16 Gallon Aquariums