Image is Representational - See Manufacturer Specs | Fan Tubeaxial - 12VDC - Square - 60mm L x 60mm H - Ball - 14.0 CFM (0.392m�/min) - 35.0 dB(A) - 3 Wire Leads. The 612N/2ML is tubeaxial fan with polyamide (PA) nylon fiberglass reinforced blade and polybutylene terephthalate (PBT) fiberglass reinforced frame. Operating temperature range is from -4 to 158�F (-20 to 70�C).