Fluval FX4/6 Filter Phosphate Remover Pad - Catch

Fluval FX4/6 Filter Phosphate Remover Pad Product Description Fluval FX4/6 Phosphate Remover Pad. Box Contains Pad Specifially desgined for Fluval FX filters Controls phosphate to reduce algae and green water Use as many pads as necessary to reduce and control phosphate levels* Effectively traps floating particles for clear water (debris, excess food and waste) Convenient 3-pack format