Antarctic marine research aquarium filtration system featuring two classic Bubble Bead XS4000s.
Antarctic Marine Research Aquarium Filtration System
Bubble Bead Filter, Education and Research![](https://astfilters.com/aquatic-systems/wp-content/uploads/sites/3/2016/01/antarctic-marine-research-aquarium-filtration-system.jpg)
Antarctic marine research aquarium filtration system featuring two classic Bubble Bead XS4000s.