4 pieces per box Fine grade polyester Gives a final polish to the water The Fluval 4 Plus Polyester Filter Pad has been specially developed as a fine filter medium for the Fluval 4 Plus Underwater Filter and is ideally suited to filtering out extremely fine suspended particles and contaminants.

4 pieces per box Fine grade polyester Gives a final polish to the water The Fluval 4 Plus Polyester Filter Pad has been specially developed as a fine filter medium for the Fluval 4 Plus Underwater Filter and is ideally suited to filtering out extremely fine suspended particles and contaminants.