AQUATOP Classic Aqua Flow Internal Sponge Filter up to 40 Gallons

The AQUATOP Internal Sponge Filter is allows for the colonization of bacteria which promotes both mechanical and bacterial filtration.

• Bacterial colonization promotes the breakdown of ammonia and nitrite material resulting in a cleaner environment
  
• Can be used in either a freshwater or saltwater aquarium
• For use with a powerhead or air pump
  
• Low maintenance, effective, long lasting, and durable
• Perfect for fish fry or axolotls