BrandManufacturer: Marketair Inc Part #: RBX3-MD-NC RoughInBox For New Construction Universal Center or Side Drain Connections Includes: Four Brackets For Attaching Rough in Box to Studs Two Faceplate Clip Retainers Extra Evaporator Support Bracket. Used For All Wall Mount Ductless Indoor Units 1 Lbs Category: HVAC Equipment Specialty Mini-Split Accessories Keywords: roughinbox.