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Witten 306MGR Energy Saver Auto Foundation Vent 8 x 16 Gray
Replaces old-style manual vents. Fits standard 8 in x 16 in vent openings. Automatically opens at 70 deg F and closes at 40 (approximately). The key mechanism bi-metal coil fully enclosed in protective cover. Stainless steel compression spring with...
$38.52 $29.93 Free Delivery
