The UnderAire crawl space vents can be used to provide foundations with passive ventilation or can be used along with a fan-powered crawl space ventilator for maximum effectiveness.TM crawl space vents can be used to provide...

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The UnderAire crawl space vents can be used to provide foundations with passive ventilation or can be used along with a fan-powered crawl space ventilator for maximum effectiveness.TM crawl space vents can be used to provide foundations with passive ventilation or can be used along with a fan-powered crawl space ventilator for maximum effectiveness.

  • Prevents and Reduces Moisture
  • Increases Air Circulation From Airflow of Almost 80%
  • New two piece design meant to measure 18 x 10" In total

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