In reply to @sameo416

Susan 🌊🦄😷#N95orBetter #LeadersAreNotLaggards

@susandavidsonm2 · Twitter · 2022-12-27 05:45 UTC

@sameo416 @Ikat0 @TulaGbefi @JimRosenthal4 My high-school physics teacher used to say "Physics is life"! Multi-pass for the same particle- removal efficiency, but single pass if the ⬆️ flow rate totally compensates. So it truly does become a cost and noise optimization exercise.