Benecompatible with of a Davies Craig Thermatic Fan As an add-on cooling source electric fans provide:- Constant air flow regardless of vehicle speed constant air flow across the condenser- Increased air conditioning performance due to constant air flow across the condenser- With the conversion from R12 to R-134A refrigerant there is a need for additional condenser cooling to ensure the overall improved efficiency of the cooling system- Increased fuel economy All of our electric fans kits are packaged complete with instructions and mounting hardware for quick and easy installation.