Fluval Bio-Foam Plus Filter Pads- 2 pack FX4 / FX5 / FX6 - A239 CatDog dose 1 oz (29 mL)

dose 1 oz (29 mL) per 50 US gallons (189 L)

pumps and water heaters and can double as a biological filtration media

Boyd Chemi-Pure Elite is a specially formulated chemical absorption filter medium

Filter and UV unit (for ponds up to 1000 U

Reduces maintenance and improves water quality

Fluval Bio-Foam Plus Filter Pads- 2 pack FX4 / FX5 / FX6 - A239 CatDog dose 1 oz (29 mL)Fluval Bio Foam Plus Filter Pads are specially designed for Fluval FX4, FX5 and FX6 High Performance Canister Filters. Bio Foam Pads provide outstanding mechanical and biological filtration thanks to an intricate pore structure that offers a large surface area for the growth of helpful nitrifying bacteria. In addition, they trap small particles that are not retained by the first stage of foam filtration. Key Features : Enhances biological filtration