1/2 in. Weatherproof Zinc Box Support (Single-Pack)
Arlington Industries. $6.99. In stock.
The Arlington Industries 1/2 in. Weatherproof Box Holder can be used with rigid pipe to suspend electrical boxes or smoke detectors between bar joists and to position electrical enclosures above concrete slabs. This box support is simply screwed into the electrical box. Die-cast zinc construction offers superior strength and durability.