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    Spun Aluminum Gravity Ventilator with Flashing Flange, Size 8

    Greenheck Product # GRSF-8
    Model GRSF is an aluminum ventilator designed to be used as an intake or relief unit on natural gravity or negative pressure systems. The GRS has a flashing flange for roof attachment.

    Product Variants

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    SKU BASE/PANEL LENGTH x WIDTH THROAT AREA INTAKE AREA PRICE
    Model / Size: GRSF-8
    19 x 19 in 0.37 ft² 1.3 ft² $158.20