Product Info Catalog Building Materials Windows Window Wells Basement Escape Hatch Window Well, Type N, Fits 40 x 17-In. Basement Escape Hatch Window Well, Type N, Fits 40 x 17-In. Request a Quote UPC: 39694040177 Manufacturer: Maccourt Products Inc SKU: 421503 Model Number: 4017C Type n, basement escape hatch window well. Fits 40" x 17" semicircular window well.