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:

• Size: 8 x 16
• Material: Thermoplastic
• Automatically opens at 70 degree F. closes at 40 degree F
• Finish: Gray
• With 18 lintel for new construction
• High density thermo-plastic construction