FMS 50mm 11-Blades Ducted Fan EDF With 2627 4500KV 4S 5400KV 3S Brushless Motor for RC Airplane Ducted Fan Plane DIY Parts FMS 50mm 11-Blades Ducted Fan EDF With 2627 4500KV 4S 5400KV 3S Brushless Motor for RC Airplane Ducted Fan Plane DIY Parts. Sale price : $13.99 Category : Toys & Hobbies