The GRS is a spun aluminum air relief roof ventilator for natural gravity or positive pressure systems. This model can mount either to a roof curb or with a flashing flange (GRSF) for quick and easy installations.
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Hanover, MA - 3
Newington, CT - 2
Manchester, NH - 3
Albany, NY - 0
Milford, CT - 0
|Manufacturer||Greenheck Fan Corporation|