The MRCOOL Olympus 4th Gen Condenser is a reliable and efficient outdoor unit. It is designed to work with a variety of indoor units like wall mounts and cassettes. You can find these condensers in our Multi-Zone collection. They are built with durable materials to resist corrosion in coastal areas. These 4th Gen units feature improved inverter logic for better energy management. They are the backbone of a high-quality ductless system.