Product Info Catalog Building Materials Windows Window Wells Window Well Cover, Type M, Fits 42 x 17 x 15-In. Window Well Cover, Type M, Fits 42 x 17 x 15-In. Request a Quote UPC: 39694042171 Manufacturer: Maccourt Products Inc SKU: 284968 Model Number: W4217 Type M, window well cover. Fits both circular & rectangular 42" x 17" x 15" window well.