The Ista Bio-Sponge Filter Small (Tall) is a mechanical filter sponge that provides excellent filtering while oxygenating the water. The foam material supports the colonization of bacteria for biological filtration. Requires an air pump for use.

Features:

• Requires an air pump. Can be connected to a standard airline hose connection.
• 3-1/4" diameter, 8-1/4" tall (including uplift tube)
• Excellent for breeders and hatcheries
• Less maintenance than traditional filters
• Easy and fast to clean
• Economical and longer lasting
• Weighted