$16.99and up
Crawl Space Recessed Foundation Vent Cover - Fits 8" H x 16" W Openings - Durable and Efficient Sealing Solution (White)Amazon & 1 more$119.99
ICC-ES Crawl Space Insulated Flood Vent - Fits 8" H x 16" W Openings - Superior Insulation and Optimal Protection (Black)Amazon$59.99and up
VEVOR Crawl Space Flood Vent Foundation Metal Drain Snake | TFKHS1682PCRN9QV0Lowe's & 1 more$61.49
VEVOR Crawl Space Flood Vent Wall Mounted Flood Vent,for Crawl Spaces,Garages & Full Height EnclosurBed Bath & Beyond$99.95
Durablow 220 CFM Air-Out Stainless Steel Crawl Space Vent Fan, Dual Fans with Dehumidistat & Thermostat, Foundation Vent, Radon Mitigation, for Crawl Space, Basement (Stainless Steel 430, M2D-S430)Amazon$154.97
EL-1 Eliminator Crawl Space Vent FanAmazon$156.05
18 in. x 9 in. Silver Galvanized Steel Crawl Space Fan VentThe Home Depot$80.00
ALORAIR 260CFM Crawl Space Ventilator Fan,6.7Inch Basement Vent FanBed Bath & Beyond$79.11
ALORAIR 570CFM Crawlspace Ventilation Fan with Humidistat, IP55 Rated Basement Stainless Steel Exhaust Fan, Built-In Isolation Net 8.1 Inch Foundation Vent Fan for Crawl Space, Garage, Attic,Grow TentAmazon$83.66
ALORAIR 540 CFM IP-55 Grade Crawlspace Ventilation Fans with Humidistat & Thermostat, 8.7 inches Basement Vent Fans with Isolation Mesh, Ventilator Fan for Crawl Space Basement Attic Garage, ExhaustAmazonSAVE $25.10
$58.56$83.66
Abestorm 540CFM IP-55 Rated Crawlspace Ventilation Fan with Humidistat & Thermostat, 8.7inch Basement Vent Fans with Isolation Mesh, Ventilator Fan for Crawl Space Basement Garage Attic Grow TentAmazon$119.00
ALORAIR Crawlspace Ventilation Fan, Crawlspace Fan vent with Temperature Humidity Controller, Timing Cycle, Speed Control, for garage, shed, crawl space, basements, 240CFM (Air-out)Amazon$29.99and up
Manual Crawl Space Vent with Removable Cover and Vermin Screen - Maximize Ventilation and Airflow (White, 8" Height x 16" Width)Amazon & 1 more$28.99
Crawl Space Door Systems 18-in x 10-in Black Plastic Foundation Vent Cover | SOMVC-BLowe's$28.99
Crawl Space Door Systems 17.25-in x 9.75-in Black Plastic Foundation Vent Cover | RVC-2Lowe's$50.90
Crawl Space Vent - for 16" x 6" Foundation OpeningsAmazonSAVE $17.40
$42.59$59.99
VEVOR Crawl Space Flood Vent Foundation 8-in x 16-in Steel Foundation Vent in Black | CLHT8X16ABSUV8QH8V0Lowe's$34.56
16 in. x 8 in. Automatic Open/Close Foundation Ventilation Crawl Space Vent in BlackThe Home Depot$47.61
16" w X 8" h Crawl Space Aluminum Exterior Vent for Walls & Crawlspace - Rain & Waterproof Air Vent with Screen Mesh - HVAC Grille - Aluminum [Outer Dimensions 17.5”w x 9.5”h]Amazon$122.99
Crawl Space Door Systems 10.5-in x 18.25-in Plastic Foundation Vent in White | CSBA816W-VENTEDLowe's$8.03
Angoily Louver Doors 2pcs Cabinet Vent Covers Louvered Vent Cover Door Air Vent Grille Crawl Space Vent Covers Outside Furniture VentAmazon$21.68
RazAir™ Foundation Vent with Damper and Screen - 16"x 6.5" Weatherproof and Paintable ABS – Easy to Install Moisture Mold Reducing for Crawl Space, Outdoor, Garage, and Home ImprovementAmazon