Price: $18.00
Availability: In Stock
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Support bars allow you to quickly and easily add horizontal cross braces for mounting heaters, fans, and other accessories to any GM greenhouse. Support bars slide in between 2 vertical frame supports and bolt right to the frame. They also have a track in the center for adding hardware easily to mount equipment.

Each kit comes with (2) 38" extruded aluminum support bars and (20) stainless steel nuts and bolts.

For GM10, GM13, and GM16 models only.