Product Info Catalog Building Materials Windows Window Wells Basement Window Cover, Type J, Fits 35 x 24-In. Basement Window Cover, Type J, Fits 35 x 24-In. Request a Quote UPC: 39694001086 Manufacturer: Maccourt Products Inc SKU: 421321 Model Number: W3625 Type j, basement window cover. Fits 35" x 24" basement window.