Vent Knob
Vent Knob, For Use With Built-In Warmer Drawer, Countertop Warmer Drawer, Holding Drawer, Product Type Vent Adjusting Knob, Compatible with Manufacturer Model Number HD-1, HD-1B, HD-2, HD-2B, HD-3, HD-3B, HDD-1B, HDD-2B1-ARB, HDD-B, HDD-C, HDD-L, HDDS-1B, HDDS-2B, HDDS-B, HDDS-C, HDDS-L, WD-1, WD-2, WD-3.