The MRCOOL MVP-48-HP-MUAH-230A00-O VersaPro® 4 Ton Central Ducted Air Handler is an indoor HVAC component designed to circulate and condition air throughout residential or light commercial spaces. It works with a compatible heat pump or air conditioning condenser to move conditioned air through a duct system, supporting efficient heating and cooling. https://www.partshnc.com/mrcool-versapror-central-ducted-air-handler-mvp-48-hp-muah-230a00-o