RELIEF GRAVITY VENTILATORS - GRSR/GRSF
The GRSR 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.
230 to 18,400 cfm
Up to 0.4 in. wg.
30-day money-back guarantee
Shipping: 2-3 Business Days