Designed specifically for the Fluval FX4, FX5 and FX6 canister filters, these thick, ultra fine polyester Water Polishing Pads effectively trap micro-particles and debris.

Key Features:

• Mechanical filter media
• Ideal for use when cloudy water occurs or following general tank maintenance
• Convenient 3-pack format
• Specially designed for Fluval FX4, FX5 and FX6 high performance canister filters
• For freshwater and saltwater environments