Image is Representational - See Manufacturer Specs | Fan Tubeaxial - 115VAC - Square - 120mm x 120mm - Ball - 75.0 CFM (2.10m�/min) - 42.0 dB(A) - 2 Terminals. The UF12B12-BTHR is AC tubeaxial fan with 2900 RPM. Operating temperature range is from -40 to 158F (-40 to 70C).