=”Betta Filter Mats are synthetic filter wool in a mat form. They are suitable for use in most freshwater and marine aquarium filters. It is used as a fine filter media to help remove fish waste, decaying food and other matter which can pollute the water an”&”d it will improve water clarity. They can be cut to the size and shape that you need and are easy to install. Can be rinsed and re-used. Available on 50m rolls and 2 different pre pack sizes.
