Lau 01331701 - 10" x 9" x 1/2" Universal Replacement Double Inlet "DD Preslok" Wheel for Direct Drive Blowers - Clockwise Rotation Lau blower wheels are designed for easy serviceability and are built to last in the toughest of applications. Lau blowers wheels are regarded as the best because they are exclusively engineered to endure the increased workload required to replace any worn, damaged or inefficient units or other replacement parts. Lau Universal Replacement blowers are used by heating, air conditioning, refrigeration, plumbing and ventilation service companies everywhere. Product Features Overview: Double Inlet features a new design ensuring more precise blade spacing and improved consistency in alignment and balance. "DD" Preslok Wheels have a special hub for use with direct drive blowers. All Standard Replacement Wheels are galvanized, cold-rolled steel. Dynamically balanced, forward curved. Incorporates Preslok center disc construction for positive blade retention. Provides higher RPM capability and industry proven reliability. Product Specifications Overview: Part Number: 013317-01 Lau Model: DD10-9A Bore/Shaft Size: 1/2" Rotation: CW (Clockwise) Rotation is determined by viewing from hub side Center Disc.: Concave Max RPM: 1750 Overall Wheel Dimensions: 11-1/8"H x 9-1/2"W Detailed Dimensions: See Specification Sheet Below Number of Blades: 48 Temperature Ratings: Due to temperature limitations of most motors, these wheels are recommended for application temperatures not exceeding 135 Degrees F (60 Degrees C). Wheels are rated to 200 Degrees F. Available Product Literature: (These files require the free Adobe Reader or similar to view.) Download the Lau Blower Wheel Specification Guide