$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$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$9.99
40 Mesh Screen Stainless Steel Metal Wire Mesh 11.8"x47.2"(30x120cm) Vent Wire Sheet for Crawlspace/Chicken/Window/Food/Garden/Rodent/Door/Mouse Cover (40 Mesh 30x120cm, 2)Amazon$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$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, ExhaustAmazon$79.66
Abestorm 260CFM Crawl Space Ventilation Fan, IP-55 Rated Commercial Stainless Steel Vent Fan with Humidistat & Thermostat, 6.7 Inch Ventilator with Isolation Mesh for Crawlspace, Basement, GarageAmazon$19.79
RazAir™ Crawlspace Vent with Screen 16"x6.5" - Easy Install - Weatherproof & Sturdy Paintable ABS Polymer, Moisture Mold Reducing Great for Crawlspace, Garage, Attic, Soffit, and UndereaveAmazon$40.34
12"w X 8"h Aluminum Exterior Vent for Walls & Crawlspace - Waterproof & Rain Block - with Screen Mesh - HVAC Weather Grille [Outer Dimensions: 13.5"w X 9.5"h]Amazon