2 x SunSun HW-304 / 404B / AlPS 1400EF Blue Coarse Foam Filter Pads

Finest-Filters replacement SunSun filter pads are made from the same material as the SunSun originals - and are machine cut to size.

It is recommended to change the Blue Coarse foam filter pad every three months for optimum filtration performance. These foams are responsible for removing the large waste particles from the aquarium water.