AMTRA MASTER FILTER – synthetic white fiber ideal for mechanical pre-filtering in all types of internal, foreign or sump filters.
Thanks to the particular structure it is able to retain all the dirt particles, even the very small ones. By carefully rinsing it under tap water it can be cleaned and reused several times. In general, it is recommended to clean it once a week (or if necessary when it is clogged) and to replace it every 2 or 3 washes.
For both freshwater and seawater aquarium.