Circular, Type G. 42" L. x 18" W. x 12" H. Improves basement insulation. Keeps out rain, snow, and debris. Durable impact-resistant plastic. 5 year warranty. Wall mount installation. No clips necessary.
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.