Marvin | Essential 48"x56" Double Casement Window in Ebony The Marvin Essential™ collection brings together design, quality, and performance in one streamlined offering. Strong, durable fiberglass exteriors and interiors are both striking and virtually maintenance-free. Ebony exterior, Ebony interior 1-Lite Dual Glaze Low-E Glass With Argon Gas, Title 24 Nail-On *This window is in excellent condition. It is brand new, in the original manufacturer's packaging, never been opened.* *Please see reference photo for finish color*