Description
Replaces old-style manual vents. Fits standard 8′ x 16′ vent openings. Automatically opens at 70 degrees Fahrenheit and closes at 40 (approximately). The key mechanism bi-metal coil fully enclosed in protective cover. Stainless steel compression spring with 1 adjustable screw for easy installation. 65 square inch net free area. High-density thermo-plastic construction. Stainless steel and corrosion resistant metal parts. Heavy-duty aluminum mesh screen front and back. No electrical hook-up required. 8′ x 16′.
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