Andersen CXW6 Casement Sash with Low-E4 Glass and Grilles in White Color Unit Number_3442 This screen measures 39-7/8" wide

This screen measures 39-7/8" wide by 86-27/32" high

Works with Perma-Shield Improved/E-Z Casement Windows manufactured 1999 to Present

This sash has an unobstructed glass size that measures 12-5/8" wide by 31-1/8" high

This sash has a visible glass size of 16 7/16 inches wide by 23 15/16 inches high

Andersen CXW6 Casement Sash with Low-E4 Glass and Grilles in White Color Unit Number_3442 This screen measures 39-7/8" wideAndersen CXW6 Casement Sash High Performance Low E4 Glass and Finelight Grilles White Color Works with Perma Shield Casement Windows manufactured from 1966 to Present. Finelight Grilles grilles between glass with standard rectangular pattern. New High Performance Low E4 glass replaces previous versions of Low E glass. Low E4 glass showed up to 25% in savings on cooling bills and 10% on heating bills over ordinary dual pane glass. Protects interior