Count on National Geographic CF70 UV Filter Sponges to accelerate the mechanical and biological filtration processes in your aquarium. This product also encourages beneficial bacteria, and plays a vital role in the overall good health of an aquarium.

Features: Performs effective mechanical and biological filtration, Helps encourage beneficial bacteria
Includes: 2 Filter Sponges
Intended For: Aquariums
Color: Black
Size: 7.7 in W x 7.7 in H x 2.2 in D (19.5 cm x 19.5 cm x 5.5 cm)
Compatible With: For use with CF70 UV canister Filter

Instructions: Rinse sponge thoroughly before inserting filter. Place directly into chamber.

Caution: This is not a toy. Keep out of reach of children.