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Witten Vent 510BL Foundation Vent, 15-1/4 in W, Polypropylene, Black Oxide
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Grill with a flange and (4) screws to hold it in the foundation opening, has no flap or slide mechanism to open or close it, so the air can constantly move through. Size of 7-3/4 in x 15-1/4 in so it easily fits the standard 8 in x 16 in block foundation opening.
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Witten Vent 510WH Foundation Vent, 15-1/4 in W, Polypropylene, White
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Grill with a flange and (4) screws to hold it in the foundation opening, has no flap or slide mechanism to open or close it, so the air can constantly move through. Size of 7-3/4 in x 15-1/4 in so it easily fits the standard 8 in x 16 in block foundation opening.
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Witten Vent 510BR Foundation Vent, 15-1/4 in W, Polypropylene, Brown
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Grill with a flange and (4) screws to hold it in the foundation opening, has no flap or slide mechanism to open or close it, so the air can constantly move through. Size of 7-3/4 in x 15-1/4 in so it easily fits the standard 8 in x 16 in block foundation opening.
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Witten Vent 319BL Foundation Vent, Mesh Grill, Aluminum, Black
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For King and Queen size brick. Fits 9-1/4 in x 16 in vent openings. 1-3/4 in frame depth and 8 in x 8 in sized mesh. Mesh is made of aluminum perma kote epoxy charcoal. Frame is made of high-density polypropylene resins. 9-1/4 in x 16 in.
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Witten Vent 500BL Foundation Vent, Black Oxide
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Witten Vent Foundation Vent, Rough Opening Size: 8 in L x 16 in W, Black Oxide
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Witten Vent 500BR Foundation Vent, Brown
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Witten Vent Foundation Vent, Rough Opening Size: 8 in L x 16 in W, Brown
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Witten Vent 500WH Foundation Vent, White
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Witten Vent Foundation Vent, Rough Opening Size: 8 in L x 16 in W, White
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Witten Vent 500GR Foundation Vent, Gray
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Witten Vent Foundation Vent, Rough Opening Size: 8 in L x 16 in W, Gray
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Witten Vent A-ELBLACK Automatic Foundation Vent, 62 sq-in Net Free Ventilating Area, Mesh Grill, Thermoplastic, Black Oxide
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With 18 in lintel for new construction. Fits standard 8 in x 16 in vent openings. High-density thermo-plastic construction. Automatically opens at 70 deg F, 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 sq-in net-free area. Heavy-duty aluminum mesh screen, front and back. 8 in x 16 in.
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Witten Vent B-E BROWN MB Foundation Vent, 65 sq-in Net Free Ventilating Area, Mesh Grill, Thermoplastic, Brown
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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 1 adjustable screw for easy installation. 65 sq-in 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 in x 16 in.
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