QUA-6KW DUCT HEATER INSIDE DUCT DIMENSION 30X8 SUPPLY LINE VOLTAGE 277/1 PHASE SINGLE STAGE CONTROL VOLTS 24 CONTROL OPTION K SPECIAL FEATURE CODE: C8,E35,E23,L4,M6,P2,P3,Q,Q3,T2,U8 Z2 AIR FLOW U8 OVERHANG L6 INDEECO