Dilwe 50mm RC Duct Fan with 12-Blade Propeller - High Performance Plastic Duct Fan for RC Airplanes & Boats (Black, Clockwise) - Perfect for DIY RC Models and High-Speed Airflow Systems

50mm EDF 12-Blade Ducted Fan with 34S Brushless Motor (CW) - High Performance RC Airplane Upgrade for Jet Models & DIY Drone Projects

50mm RC Electric Ducted Fan with 12 Blades & Brushless Motor - High Performance 5000V Clockwise EDF for RC Airplanes | Perfect for Jet Models, DIY Aircraft & Hobbyist Projects