Dry, two stage electrostatic precipitators are offered in commercial, industrial and process flow designs. Capacities range from 400 to 100,000 CFM. Materials of construction can be customized for caustic materials collection. These materials include stainless steel, hastelloy and inconel cell and housing construction. Single and multi-pass systems are available for in-duct or self-contained (with blower) finished product. Auto wash facilitation with standard or custom controls are offered. Filtration efficiency is as low as 0.01 micron with efficiencies approaching 99.9 percent.