The AquaClear A598 is the correct replacement for the following aquarium:
The AquaClear foam filter pad replacement for the AquaClear 20 Aquarium Filter is made with porous foam to trap large particles, debris, and impurities such as dirt, sediment, sand, limescale, rust, and more. AquaClear foam filters reduce the amount of particulate matter in your aquarium to help your aquatic pets thrive better. This is an AquaClear 20 Filter Foam Insert Pad (A598) for the AquaClear 20 Aquarium Filter System (A595).This AquaClear foam filter pad is used as the Stage 1 mechanical filter media in the AquaClear 20 Power Filter System. It also works to enhance the effectiveness of the AquaClear BioMax Stage 3 biological filter.
AquaClear 20 Filter Foam Replacement Insert specifications:
AquaClear 20 foam pad filter replacements should be changed approximately every 2-3 months, though they can be rinsed clean between filter changes to extend filter life. This AquaClear foam pad replacement filter is also known by Hagen part number A-598.