Andersen CR45 Casement Sash with Low-E4 Glass in Terratone Color Unit Number_28310 Andersen TW38310 (Lower Sash) Forest

Andersen TW38310 (Lower 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

Andersen TW21042 (Upper Sash) Sandtone 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 31-1/8" wide by 12-5/8" high

Andersen CXW35 Casement Sash - High-Performance Low-E4 Glass - Forest Green Color

Andersen A3 Awning Sash with Low-E4 Glass in Sandtone Color Works with Perma-Shield Casement Windows manufactured from 1966 to Present

Andersen CR45 Casement Sash with Low-E4 Glass in Terratone Color Unit Number_28310 Andersen TW38310 (Lower Sash) ForestAndersen CR45 Casement Sash High Performance Low E4 Glass Terratone 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