Lowell ES-4-RIB
Lowell ES-4-RIB

Lowell ES-4-RIB

Lowell ES-4-RIB
Item# ES-4-RIB

Product Description


ES-4-RIB: Rough-in Bridge


ES-4 rough-in bridge for new construction, drywall or plaster ceiling before finished ceiling is installed.



  • Material:  Steel
  • Finish:  Galvanized
  • Compatible Speakers:  Model ES-4T


  • Made in the U.S.A.
  • Certified U.S. steel


  • The ES-4 rough-in bridge shall be Lowell Model No. ES-4-RIB, which shall be formed 20-gauge steel construction with galvanized finish. It shall feature 3/16 in. diameter mounting holes on 16 inch and 24 inch centers for mounting to joists, rafters, trusses, metal rails, or other ceiling support structures in new construction before the drywall ceiling is installed. It shall have overall measurements of 12 in. x 25 in. with a center opening having a diameter of 7.25 inches. It shall be used with Lowell speaker Model No. ES-4T (ordered separately).

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