IEC (INTERNATIONAL ENVIRONMENTAL CO.). P/N: 70005137. SINGLE INLET GALVANIZED STEEL DIRECT DRIVE BLOWER WHEEL., 1/2" BORE., CW ROTATION VIEWED HUB SIDE., 6 3/4" DIAMETER X 7 5/16" LONG., CORROSION AND RUST RESISTANT GALVANIZED COLD ROLLED STEEL., FACTORY BALANCED., CENTER HUB LOCATION., CONVEX CENTER DISC TYPE., 200°F MAX TEMPERATURE., HALF MOON CUT OUT ON BLADE FOR HUB SET SCREW ACCESS., SOLID METAL CONSTRUCTION., SILVER COLORED., ORIGINAL GENUINE OEM REPLACEMENT PART., GUARANTEED TO WORK PERFECTLY., BRAND NEW CONDITION., NEVER USED., INCLUDES: ONE BLOWER WHEEL AND BOX., MADE IN THE USA., I CAN SUPPLY MORE PICTURES IF REQUESTED.