Keep your Fluval Spec aquarium looking beautifully clean and clear with this Replacement Foam Filter Block.This foam block takes care of the first stage of filtration, and mechanically filters dirt and debris from the water. Used in conjunction with the full range of Fluval Spec filtration kit, you can be sure of a crystal clear fish tank and happy, healthy, fish.Key Features:

• Foam filter block to strain all dirt & debris.
• Provides perfect first stage mechanical filtration.
• Sits in the discrete filtration unit at the rear of the tank.
• One supplied.