Every cleanroom project has a moment where someone looks at the air shower line item and asks the question out loud. "Do we actually need this? Can we manage without it?" It's a fair question. Air showers aren't cheap. They take up space at the cleanroom entry. They add a step to the personnel entry protocol. And on the surface, they look like equipment that does something growing already handles. The short answer is — growing doesn't handle it well enough. And the cost of fi