Double Bio Sponge Filter Double Head Bio Sponge Filter

This listing is for:  1 Sponge filter 

Tank size: 10-40 Gallons

*Highly recommended for shrimp tanks and baby fish fry to keep babies from getting sucked into the filter.

Excellent for beta fish tanks to help keep water flow down.

Sponge filters provide both mechanical and biological filtration. 

Sponge filters supply the ideal location for bacterial colonization.