Phosphate Reactor 75 (330l). Also for nitrate, algae, purigen and carbon media.
You can take a closer look on youtube: Cleartides Phosphate Reactor 75. Cleartides - PO4 Reactor 75. (75 gals/ 330 l). The np200 reactor is designed to cater for these. Designed as a free-standing, in sump or as a hang-on reactor.