An Electronic Air Cleaner Cell consisting of an ionizer section and a collector section to be used as a component in a residential electronic air cleaner. • Description: Electronic Air Cleaner Cell, 12.4 x 20. • Application: Replacement Filter. • Dimensions (in.): 12.4 in. x 20 in. • Dimensions (mm): 315 mm x 508 mm. • Approvals, Underwriters Laboratories Inc: Listed Report E30954. • Used With: F52.