7530 Centrifugal Radial Air Cooler Metal Fan Barbecue Blower Charcoal Cooling
A2 Configuration - 7.5cm Fan + Round Duct + US-Spec Dual-Wire Speed Controller
A3 Configuration - 7.5cm Fan 5V Dual-Wire + Round Duct
A4 Configuration - 7.5cm Fan 12V DC Wire + Round Duct
A5 Configuration - 7.5cm Fan 24V Dual-Wire + Round Duct
A6 Configuration - Speed Controller