Witten Automatic 304LGR Automatic Foundation Ventilator, 8" x 16"

Automatically opens at 70 degrees Fahrenheit, closes at 40 (approximately). Key working mechanism, bi-metal coil, fully enclosed by protective cover. No electrical hook-up required. Stainless steel and corrosion resistant metal parts. 62 square inches net free area. Heavy-duty aluminum mesh screen, front and back.

Highlights:

• Automatically opens at 70 degree F, closes at 40 degree F
• With 18" lintel for new construction
• High density thermo-plastic construction

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Returns accepted within 30 days by mail. Return shipping is paid by the customer. See our refund policy.