Axial Duct Booster, Housing Material Galvanized Steel, Fits Duct Dia. 8 in., Voltage 120, Max. Amps 1.1, Max. Wattage 56, Number of Speeds 1, Housing Dia. 8 in., Length 9 In., CFM at Duct 300/250/200, CFM at 0.000 in. SP 325, Max. Inlet Temp. 150°F, Inlet and Outlet Dia. 8 in., 60 Hz, 1 Phase, Motor HP 1/40, Motor RPM 3000, Motor Enclosure Open Air Over, Speed Control Mfr. 1DGV1, Mounting Position Horizontal or Vertical, Std. Lengths 25/50/75 ft. In-Line Axial Fan Duct Boosters Designed for powered air intake and exhaust systems, or to boost air flow in hard-to-heat or -cool areas. Galvanized steel housing with built-in duct stop on the inlet and crimped edge on the outlet. 6KXZ5 and 6KXZ6 feature pressure control. Optional speed control 1DGV1 (see page 4496) can be used on 6 in., 8 in., and 10 in. units only. 115-Volt, 60 Hz External junction box (6KXZ5 and 6KXZ6 have cord with 3-prong plug). Material: Metal.