Length x Width x Height: 13.63″ x 4.63″ x 4.5; Insulation Class H (rated to 392°F / 200°C) Motor RPM: 3000 Airflow in C. M: 130 Ratings: 120V, 60Hz Power Consumption (watts): 35 3-prong Power Cord: Yes Power Cord Length (inches): 75 Rheostat Variable Speed: YES Magnetic Thermostat: YES Thermostat Temperature: Activate at 120°F / 50°C, shutoff at 90°F / 32°C; Material: Aluminum + Galvanized Steel; Certifications: Rheostat, Thermostat, Motor UL Approved. Benefits: Helps reduce costly energy bills, Heats large rooms efficiently, Installs quickly and easily with included instructions, Reasonable price aftermarket parts. Cross Reference Numbers: Blower Kit FBK250, FBK-250, Rotom HB-RB250, 80L86. Replacement For Superior: DR-400, DR-500, DR-600, DR-800, D-400, D-500, D-600, D-800, DT-400, DT-500, DT-600, DT-800, SSDVT-3530, SSDVR-3530, SSDVT-4035, SSDVR-4035, SLDVT Series, SSDVST, SSDVPF, SSDVST Series, SSDVPF Series, UVF Series, UVFRC Series Many, many more.. Thank You for Shopping!