Una-Dyn 21 Inch Diameter Vacuum Receiver Hopper$0.00 SKU: 8875HOP Manufacturer: Universal Dynamics Inc.Type: Vacuum Receiver HopperSize: 37-1/2" Tall x 21" DiameterInlet: 2-1/2 InchesOutlet: 6-1/2 InchesCondition: Very GoodStock: 7 Enter Quantity