Spun Aluminum Gravity Ventilator, Size 18

Greenheck Product # GRS-18

Model GRS 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 curb cap and requires a roof curb for installation.

Product Variants

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	SKU	BASE/PANEL LENGTH x WIDTH	THROAT AREA	INTAKE AREA	PRICE
	GRS-18-QD Model / Size: GRS-18	30 x 30 in	1.83 ft²	3.42 ft²	$334.21	Compare