Designed to move a large amount of air through confined spaces, the OA254 Series ac fans measure 254 mm x 89 mm and deliver an airflow of 547 CFM on the standard model and up to 850 CFM on the XC high performance model. Available in 115 and 230 Vac versions, the fans feature voltage ranges from 80 to 130 Vac and 160 to 260 Vac, respectively. Rated power for the standard model is 35W and up to 75W on the XC high performance model. Speed ranges from 1,650 to 2,700 rpm. Other features include a dual ball-bearing system, thermally protected motor, and a die-cast aluminum frame with a PBT, UL94V-0 plastic impeller. OEM price for the OA254 Series AC fans ranges from $61 to $71 each. ORION FANS, Dallas, TX. (800) 323-2439.