Aqua one sponges are designed to remove the larger particles from your aquarium.  The sponge is made from high grade open pored foam so the water passed through the sponge will be cleaned of most larger particles.  It serves as a biological and mechanical filter, essential to the health of your aquarium.

Key Features:

• Suitable for use in the Aqua One Moray 700 & 700L filters.
• Part number: 418S