Fluval AquaClear 20/30/50 Intake Strainer Sponge

The Intake Strainer Sponge acts as a pre-filter media, keeping algae filaments and debris away from the pump while helping to maintain consistent water flow.
Key Features:
Mechanical filter media
Designed for use with Fluval AquaClear AC20 and AC30 Power Filter
Mechanical filter media easily installed over the filter intake
Helps keep debris away from pump to maintain proper water flow
Prevents small or baby fish from getting trapped in the filter
For use in freshwater or saltwater aquariums