MBA UL-Listed Adjustable Metal Back Box
Versatile UL-listed adjustable metal back box for variable framing, metal studs and hat channel. Adjustable width 9-1/2 to 14-1/2 inches.
metal back box
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MBC Metal Back Box – Masonry
Wood and metal back box for installing invisible speakers into masonry, hat channel or other structures needing a solid mounting surface.
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MBX UL-Listed Metal Back Box
UL-listed 1.1 mm metal back box for 16-inch on-center framing – reduces sound transfer and meets plenum requirements. Insulation included.