Product Info Catalog Building Materials Windows Window Wells Window Well Cover, Type A, Fits 40 x 18-1/2 x 9-In. Window Well Cover, Type A, Fits 40 x 18-1/2 x 9-In. Request a Quote UPC: 39694001017 Manufacturer: Maccourt Products Inc SKU: 322859 Model Number: W4018 Type A, window well cover, 40" x 18-1/2" x 9". Clear, heavy duty, can be raised for ventilation, installs with hardware, included.