CI-2 Shop Product DM-2 Shop Product FC24-AC Shop Product FC48-AC Shop Product DM48-AC Shop Product DM-S Shop ProductO&MSpecificationsO&M CI-2 DM-2 FC24-AC FC48-AC DM48-AC DM-S Specifications CI-2 DM-2 FC24-AC FC48-AC DM48-AC DM-S Additional Information & Resources Field Measurement and Verification of the Lenard Effect and its Impact on the Creation of Naturally Occurring Air Ionization – By David N. Schurk