Gore‘s next-generation PolyVent High Airflow flows twice the air of its predecessor, and it has an improved O-ring that is UL-rated for flammability resistance. “Engineered to handle the large ...
Nation’s Largest Network of Basement Waterproofing Contractors to Recommend Made-in-USA Automatic Vents to Help Mitigate Flood Damage PITMAN, NJ, July 11, 2013 ...
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