Impeller Compatible with Manufacturer Model Number 2ZWU2A 2ZWU3A 2ZWZ1 Compatible with Grainger Part Number 2ZWU2 2ZWU3 2ZWZ1 Impeller Design Semi-Open Impeller Diameter 3 5/8 in Impeller Material Stainless Steel Compatible with Pump Type Straight Centrifugal Pumps Compatible with Brand Dayton