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A El Foundation Vent Auto Grey, 8" x 16"
Witten Automatic Vent # 304LGR
$12.99
With 18" lintel for new construction. Fits standard 8" x 16" vent openings. High density thermo-plastic construction. Automatically opens at 70 degrees Fahrenheit, closes at 40 (approximately). Key working mechanism, bimetal 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. Minimize or Learn More more... |
Auto Replacement Vent Black, 8" x 16" x 3 3/4"
Witten Automatic Vent # 315CBL
$15.49
With 1"W frame for new construction or to replace old foundation vents. Fits standard 8" x 16" concrete block opening. Operates automatically without electricity; opens at 70 degrees Fahrenheit, closes at 40 (approximately). Simple homeowner/DIYer snap-in installation, with color matched set screws for additional stability. Removable back for maintenance and cleaning. Screened completely front and back with 1/8" heavy-duty aluminum mesh. High-density thermo-plastic construction. All metal parts are corrosion resistant stainless steel. Aluminum louvers. No mortar required for installation. 62 square inch net free area. Minimize or Learn More more... |
B E Foundation Vent Auto Grey, 8" x 16"
Witten Automatic Vent # 306MGR
$14.99
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 springwith 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. Minimize or Learn More more... |
Black Auto Foundation Ventilator
Witten Automatic Vent # B-EBLACK(MB)
$14.99
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 springwith 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. Minimize or Learn More more... |
Black Plastic Auto Foundation Vent
Witten Automatic Vent # A-ELBLACK
$12.99
With 18" lintel for new construction. Fits standard 8" x 16" vent openings. High density thermo-plastic construction. Automatically opens at 70 degrees Fahrenheit, closes at 40 (approximately). Key working mechanism, bimetal 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. Minimize or Learn More more... |
Black Plastic Slide Foundation Vent
Witten Automatic Vent # PMS-1BLACK
$4.99
With 18"L x 1 3/4"W built-in lintel for new block, brick or frame foundation construction. Durable polypropylene construction. 40 square inches net free area. 1/8" aluminum screen. Minimize or Learn More more... |
Brown Auto Foundation Ventilator
Witten Automatic Vent # B-E BROWN (MB)
$14.99
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 springwith 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. Minimize or Learn More more... |
Brown Auto Replacement Vent
Witten Automatic Vent # 315CBR
$15.49
With 1"W frame for new construction or to replace old foundation vents. Fits standard 8" x 16" concrete block opening. Operates automatically without electricity; opens at 70 degrees Fahrenheit, closes at 40 (approximately). Simple homeowner/DIYer snap-in installation, with color matched set screws for additional stability. Removable back for maintenance and cleaning. Screened completely front and back with 1/8" heavy-duty aluminum mesh. High-density thermo-plastic construction. All metal parts are corrosion resistant stainless steel. Aluminum louvers. No mortar required for installation. 62 square inch net free area. Minimize or Learn More more... |
Brown Plastic Auto Foundation Vent
Witten Automatic Vent # A-ELBROWN
$12.99
With 18" lintel for new construction. Fits standard 8" x 16" vent openings. High density thermo-plastic construction. Automatically opens at 70 degrees Fahrenheit, closes at 40 (approximately). Key working mechanism, bimetal 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. Minimize or Learn More more... |
Brown Plastic Slide Foundation Vent
Witten Automatic Vent # PMS-1BROWN
$4.99
With 18"L x 1 3/4"W built-in lintel for new block, brick or frame foundation construction. Durable polypropylene construction. 40 square inches net free area. 1/8" aluminum screen. Minimize or Learn More more... |
Foundation Vent with Shutter, 16" x 8"
LL Building Products # 500
$24.99
Die-cast aluminum with lintel for foundation block construction. Positive open/close damper action. Lowers risk of frozen pipes, saves energy, and helps prevent foundation decay. Minimize or Learn More more... |
Foundation Vent, 16" x 8" Black
LL Building Products # FVRABL
$17.99
Hi-density polyethylene construction. Auto-open at 70 degrees Fahrenheit, closes at 40 degrees to lower risk of frozen pipes and save energy. Replaces manual vent. Snap-in installation. 57 sq. in. NFVA. Minimize or Learn More more... |
Foundation Ventilator, 16" x 8"
LL Building Products # LW1L
$13.99
Die-cast aluminum, grill style. Designed for nailing to floor joists or as a foundation block replacement. With 1-3/8"W lintel. Minimize or Learn More more... |
Foundation Ventilators, 16" x 8"
LL Building Products # LW1
$10.99
Die-cast aluminum, grill style. Designed for nailing to floor joists or as a foundation block replacement. Minimize or Learn More more... |
Foundation Ventilators, 16" x 8"
LL Building Products # BVSII
$14.99
Aluminum vanes, lintel not required. Manual louver. For block, brick, or frame construction. Recommended for high-level ventilation. Galvanized steel and aluminum. 73 square inches net free air space. Minimize or Learn More more... |
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Gray Auto Relpacement Vent
Witten Automatic Vent # 315CGR
$15.49
With 1"W frame for new construction or to replace old foundation vents. Fits standard 8" x 16" concrete block opening. Operates automatically without electricity; opens at 70 degrees Fahrenheit, closes at 40 (approximately). Simple homeowner/DIYer snap-in installation, with color matched set screws for additional stability. Removable back for maintenance and cleaning. Screened completely front and back with 1/8" heavy-duty aluminum mesh. High-density thermo-plastic construction. All metal parts are corrosion resistant stainless steel. Aluminum louvers. No mortar required for installation. 62 square inch net free area. Minimize or Learn More more... |
Grey Plastic Foundation Vents
Witten Automatic Vent # PMS-1
$4.99
With 18"L x 1 3/4"W built-in lintel for new block, brick or frame foundation construction. Durable polypropylene construction. 40 square inches net free area. 1/8" aluminum screen. Minimize or Learn More more... |
Jumbo Foundation Vent, 16" Gray
Witten Automatic Vent # 319GR
$8.49
For King and Queen size brick. Fits 9-1/4" x 16" vent openings. 1-3/4" frame depth and 8" x 8" sized mesh. Mesh is made of aluminum perma kote epoxy charcoal. Frame is made of high-density polypropylene resins. Minimize or Learn More more... |
Jumbo Foundation Vent, Brown
Witten Automatic Vent # 319BR
$8.49
For King and Queen size brick. Fits 9-1/4" x 16" vent openings. 1-3/4" frame depth and 8" x 8" sized mesh. Mesh is made of aluminum perma kote epoxy charcoal. Frame is made of high-density polypropylene resins. Minimize or Learn More more... |
Jumboo Foundation Vent, 16" Black
Witten Automatic Vent # 319BL
$8.49
For King and Queen size brick. Fits 9-1/4" x 16" vent openings. 1-3/4" frame depth and 8" x 8" sized mesh. Mesh is made of aluminum perma kote epoxy charcoal. Frame is made of high-density polypropylene resins. Minimize or Learn More more... |
Plastic Push & Pull Foundation Vent
Witten Automatic Vent # PMD-1BLACK
$4.99
With 18"L x 1-3/4"W built-in lintel for new block, brick or frame foundation construction. Durable polypropylene construction. 72 square inches net free area. 1/8" aluminum screen. Minimize or Learn More more... |
