Fluval Max-Clean Fine Filter Blocks for FX4/FX5/FX6 filters, 3-pack

Specifically designed for high-performance Fluval FX4, FX5, and FX6 external filters, polyester fine filter pads trap small particles and debris that can cloud the water.

Key Features:

• Mechanical filter media;
• Use with Quick Clear Water Polishing Pads to optimize water clarity;
• Come in a convenient 3-pack;
• Specifically designed for Fluval FX4, FX5, and FX6 high-performance external filters;
• Suitable for freshwater and saltwater aquariums.