40X15 WINDOW WELL COVER (Maccourt Products W4015-DIB)

Formulated of a tough, durable, and thicker gauged polyester plastic. Fastening system bolts directly to the area wall with a slide bolt assembly, making ventilation possible. Improves basement insulation. Keeps out snow, rain, and debris. Backed with a 5 year warranty. No. W4015-DIB: Elongated, 40" L. x 14-1/2" W. x 9-1/2" H. No. W4018-DIB: Circular, 40" L. x 18-1/2" W. x 9-1/2" H.