Our plant is very large. Anything we do costs a lot of money just because of the scale. We were facing the possibility of having to build side stream treatment facilities to keep up with the demand — and this would have been extremely expensive. But because the SSI PTFE fine bubble diffuser is so effective, we didn’t need to do that project, and we’re handling more water than ever before. The SSI fine bubble diffuser is unique because of a patent on the membranes that resists the accumulation of the matter which avoids the blocking of the oxygen transfer and extends the time between cleaning cycles.