Andersen CXW55 Casement Sash with Low-E4 Glass in Forest Green Color Unit Number_CW4 Andersen 244DH2450 200 Series Double

Andersen 244DH2450 200 Series Double Hung Lower Sash with Sandtone Exterior and Natural Pine Interior with Low-E High Performance Glass

Andersen TW2042 (Upper Sash) Forest Green Exterior and Natural Pine Interior High Performance LowE4 Glass (1992 to May 2010) Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to May 24

This sash has an visible glass size that measures 36" wide by 31-9/16" high

Andersen W4 Primed Casement Sash with Dual Pane Glass

Andersen CXW55 Casement Sash - High-Performance Low-E4 Glass - Forest Green Color

Andersen CXW55 Casement Sash with Low-E4 Glass in Forest Green Color Unit Number_CW4 Andersen 244DH2450 200 Series DoubleAndersen CXW55 Casement Sash High Performance Low E4 Glass Forest Green Color Works with Perma Shield Casement Windows manufactured from 1966 to Present. 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 from UV rays that causes material fading. This new glass reduces water spots up to 99% Glass