Marvin | Ultimate Casement Window RO 21"x23-5/8" - From a lot of 9 similar windows (see additional product listings for more details) Details: Marvin Arctic White Aluminum Clad Exterior Primed Pine Interior 6-9/16" Jambs Insulated Low-E II Glass with Argon 7/8" Simulated Divided Lites where noted White Coastal Hardware on Casements and Awnings Powdercoated Adjustable Hinges Beige Thresholds and Weather Stripping Brand new, still in original manufacturer's wrapping