Orix Series MRS, at only 7.87 in. sq x 3.54 in. thick, replaces large numbers of smaller fans and reduces wiring and installation costs. Axial flow fan provides up to 547 cfm with maximum static pressure of 1.06 in. of H20 (Model MRS20-BUL), and single-phase 115 Vac, 60 Hz power input. Operating ambient temperature ranges from -10 to +60°C. Built-in thermal protector maintains safe levels.