Description Fits GEA Westfalia Surge Omni Air, and other GEA Air operated systems Bag of 2 Original Parts by GEA Farm Technologies Inc Made in USA Related Items; 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 1 / 2025
