NB-16/1200 Nanobubbler STL (pumps 800–1200 GPH)
NB-16/800 Nanobubbler STL (pumps 500–800 GPH)
NB-16/500 Nanobubbler STL (pumps 250–500 GPH)
NB-16/250 Nanobubbler STL (pumps 100–250 GPH)
