Having trouble with your mini-split system? The Midea 12100105000051 axial flow fan, measuring 427x139, could be the part you need. This genuine item, made by Midea, is designed for mini-split wall mount systems and outdoor units of split systems. If your system's fan is failing, it may lead to inadequate cooling performance or unusual noises. Replace your old or damaged fan to restore proper airflow to your outdoor unit. Before buying, check your appliance's model number for compatibility.