System Sensor
System Sensor SMB500-WH SMB500 Surface-Mount Backbox
50+ In Stock - Fast Shipping
System Sensor SMB500-WH SMB500 4-inch surface-mount backbox for SpectrAlert/L-Series. SMB500 4-inch deep surface-mount backbox for SpectrAlert Advance and L-Series notification appliances. Used when flush-mount junction box is not available.
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