1. Robertson 400W Metal Halide Ballast Kit 4-TAP CMH0400H04912

    Robertson 400W Metal Halide Ballast Kit 4-TAP CMH0400H04912

    • Brand: Robertson
    • Stock Code:
    • Average Life:
    • Availability: Special Order
    • Dimmable: No
    • Lumens:
    • Watts: 400
    • CRI:
    $47.95
    ea

  2. 400W Metal Halide Quad Tap Pulse Start Ballast

    400W Metal Halide Quad Tap Pulse Start Ballast

    • Brand: Espen
    • Stock Code:
    • Average Life:
    • Availability: In Stock
    • Dimmable: No
    • Lumens:
    • Watts: 400
    • CRI:
    $69.50
    ea

  3. 400W Metal Halide Quad Tap Ballast Kit

    400W Metal Halide Quad Tap Ballast Kit

    • Brand: Espen
    • Stock Code:
    • Average Life:
    • Availability: In Stock
    • Dimmable: No
    • Lumens:
    • Watts: 400
    • CRI:
    $68.99
    ea