GENTEX BACK BOX FOR SPEAKER STOBES
Item #:
GTX-GBBB
Product Info
GTXGBBB
GENTEX CORPORATION
GBBB
The Gentex GBBB is an Outdoor Surface Back Box for GB series fire alarm bells. This back box comes in a red finish and is designed for exterior use along with a GB series fire alarm bell. The box is 4.25” square by 1.5” deep and complies with ANSI/UL 464 standards.
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