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A El Foundation Vent Auto Grey, 8" x 16"
Witten Automatic Vent # 304LGR
$14.99
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
$16.99
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
$16.49
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)
$16.49
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
$14.49
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
$5.69
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)
$16.49
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
$16.99
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
$14.99
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
$5.69
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 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... |
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... |
Gray Auto Relpacement Vent
Witten Automatic Vent # 315CGR
$16.99
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
$5.69
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
$8.99
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
$8.99
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
$5.69
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... |
Plastic Push/Pull Foundation Vent
Witten Automatic Vent # PMD-1BROWN
$5.99
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... |
Power Foundation Vent
LL Building Products # PFV1
$129.99
Polymer construction, enclosure with with steel screen. Easy installation, fits in traditional foundation vent openings with simple plug and go operation. Up to 330 CFM/airflow to eliminate moisture during peak times, 1/70th hp, 60 watts, 120 VAC. Effectively removes damaging excess moisture from crawl spaces and basements, while helping to prevent the growth of mold. UL and ETL Listed. Minimize or Learn More more... |
