Fan Tubeaxial 115VAC Square - 120mm L x 120mm H x 38mm D, Quiet, 48db, 105.0 CFM (2.94m³/min) 2 Terminals. Features and characteristics: Reliable Shaded-Pole Motor, Impedance protection. Materials: Frame is Aluminum, Blade is Polybutylene Terephthalate (PBT)