Ideal for biological and mechanical filtration of small aquariums.

Mechanical and Biological filteration.

Superior 'Dry' Chamber Bacteria colonization nodes.

Dual Foam Inserts effectively remove large and medium particles.

Added 'Wet' chamber bacterial attachment nodes. Stage 5.

A complete internal filter of remarkably small size.

Part of the patented Bio-Wheel 3 stage total filtration system

Part of the patented Bio-Wheel 3 stage total filtration system

Replacement cartridge for System 6 filtration unit.