540 CFM IP55 Rated Crawlspace Ventilation Fan With Humidistat Thermostat And Isolation Mesh For Quick Air Exchange In Crawl Space Basement Garage Attic Or Grow Tent 8.7 Inch Exhaust Fan

540 CFM IP55 Crawlspace Vent Fan with Humidistat
✔️ 540 CFM airflow, IP55 shell, humidistat, single unit, ready to install

This high-flow crawlspace ventilation fan exchanges indoor air with outdoor air to control moisture in crawl spaces, basements, attics, garages, and grow tents. It includes a built-in humidistat thermostat and IP55-rated isolation mesh for pest protection and moisture resistance.

✅ Airflow: 540 CFM (918 m³/h), exhaust-out configuration
✅ Humidistat operating range: 5-80% RH with auto ON/OFF
✅ Thermostat auto shutoff when outdoor temp is below 35°F/3°C
✅ IP55 rated aluminum-zinc shell with 5.5 mm isolation mesh to block pests
✅ Overall size: 15" x 2.8" x 10.2" (381 x 71 x 260 mm); 6 ft grounded cord; faceplate trim
✅ Suitable for crawl spaces, basements, attics, garages, or grow tents
✅ Factory pre-installed thermostat prevents fan run at low temps

💡 What is a crawl space vent fan with a humidistat used for in moisture control and air quality? It helps manage humidity and air exchange in damp spaces. - Handy for crawl spaces, basements, attics, garages to exchange stale air with fresh air - Keeps humidity within a range to reduce condensation and wood rot - IP55 rated shell and isolation mesh protect against dust, moisture, and pests - Easy to install with trim-to-fit faceplate and included 6 ft cord