Blade Drift Eliminator Modules Use A Tightly-Spaced Series Of Sinusoidal-Shaped PVC (Or HPVC) Blades That Force The Leaving Air To Make Distinct Changes Of Direction At Three Impact Zones , Resulting In Maximum Drift Droplet Removal. And This Performance Does Not Come At The Expense Of Fan Energy, As The Engineered Flow Through These High-Performance Drift Eliminators Achieves Very Low Pressure Drop .