Axial Fan, Shape SquareCFM @ 0.000-In. SP 353, Voltage 115VAC, 0.75/0.80 Amps, 75/90 Watts, Electrical Connections Terminals, 59/61 dBA, Bearings Ball, 50/60 Hz, 1 PhaseHeight 12-5/7 In., Width 12-5/7 In., Depth 5-5/8 In.Mounting Position Vertical or Horizontal, Mounting Eye O.C. 11-1/2 In.Motor Insulation Class B, Thermal Protection Impedance, Max. Ambient Temp. 131?F, Blade Material Steel, Housing Material PBT Plastic, Housing Finish Light Gray (RAL 7035), Requires Hard Wiring Enclosure Filter Fan Units and Outlet Filters NEMA 121-phase axial fans install quickly. Reversible air flow direction. Quick-snap installation. Terminal blocks for easy wiring. Filter mat included. Optional outlet exhaust filters enable convection ventilation. Can be used with Thermostat 2PVG4, see this page.Foam-in-place gasketing meets IP54/UL Type 12. UL and C-UL Recognized, CSA and CE Certified.Snap-in mounting for tool-less installation Simple fan motor removal to reverse air flow Grille latch provides quick and tool-less filter mat replacement