*Aqua One Sponge coarse, Black in color.
*Genuine Aqua One Spare part.
*Suitable for Aqua One CF500 and CF700 (old style Via Aqua 230/300) Canister filters.

35 Micron coarse filter pad
Suitable for fresh & saltwater aquariums.
Removes the coarse particles in your aquarium.
Adds biological and mechanical filtration.

The Aqua One sponge pads trap solids and provide a home for filtration bacteria.

# Large surface area for bacterial attachment
# Larger pore size traps bigger particles of waste
# Need cleaning regularly
# Change every 6 months to maintain performance