The 400 Series casement window is a best-seller for a reason. It has plenty of options to fit the look and feel of your home, all while bringing in fresh air to your basement. The Andersen 400 Series Casement window comes with a bare pine interior, a White vinyl-clad exterior, and Classic Stone hardware and screen surround (no jamb and casing included). The vinyl exterior protects from weather while the interior is natural wood. This way you get the look you want without the worry of added maintenance.