Mitsubishi PVA-AA12NL 12,000 BTU Multi-Position Air Handler Indoor Unit - R454BMitsubishi PVA AA12NL 12,000 BTU R 454B Multi Position Air Handler Experience adaptable, whole home comfort with the Mitsubishi PVA AA12NL, a multi position ducted air handler engineered for efficient heating and cooling in single zone applications or as part of a larger Mitsubishi system. Versatile, Space Saving DesignThe PVA AA12NLs slim 17" wide cabinet installs vertically (upflow or downflow) or horizontally (left right), fitting closets,