fluval 203 Smart Shoppers Compare & Save! Fluval-Foam-Filter ...
Fluval 203 Foam Filter Media Sponge – 4 Pack fluval 203. Move the top disc to the bottom position and place a new disc on top of it. To ensure continuous biological activity, never replace both discs simultaneously. Rinse foam filter discs periodically in luke warm water. Remove top module cover and insert two foam discs.




