Description Black Knob Sold Each Fits GEA Westfalia Surge Omni Air, and other GEA Air operated systems Related Items; 5184-0108-000 Remote air control box 7750-0033-920 Orange Knob 7750-0038-534 Green Knob 7750-0033-919 Black Knob 7750-0038-520 White Knob 7750-0038-525 Air Valve 5187-2062-000 Control Box for Holding Pen 5189-0809-000 Magnum Crowd Gate 7750-0098-778 Front Decal for crowd gate control box updated 5/26
